Convert minversions from ReST to Markdown (#3056)

.github/ISSUE_TEMPLATE/bump_gmt_checklist.md

@@ -37,7 +37,7 @@ using the following command:
 - [ ] Bump the minimum required GMT version (1 PR)
   - [ ] Update `required_version` in `pygmt/clib/session.py`
   - [ ] Update `test_get_default` in `pygmt/tests/test_clib.py`
-  - [ ] Update minimum required versions in `doc/minversions.rst`
+  - [ ] Update minimum required versions in `doc/minversions.md`
   - [ ] Remove unsupported GMT version from `.github/workflows/ci_tests_legacy.yaml`
 - [ ] Remove [xfail](https://docs.pytest.org/en/stable/skipping.html#xfail-mark-test-functions-as-expected-to-fail) pytest markers on tests that are now xpass
 - [ ] Update deprecated syntax in source code and examples based on the [GMT Changelog](https://docs.generic-mapping-tools.org/latest/changes.html)

.github/ISSUE_TEMPLATE/release_checklist.md

@@ -31,8 +31,8 @@ assignees: ''
     - [ ] Update DOI (and url for BibTeX)
     - [ ] Update version
     - [ ] Update date released
-  - [ ] Add the documentation link `doc/minversions.rst`
-  - [ ] Add minimum required version information `doc/minversions.rst`
+  - [ ] Add the documentation link `doc/minversions.md`
+  - [ ] Add minimum required version information `doc/minversions.md`
   - [ ] Copy draft changelog from Release Drafter and edit it to look nice ([see maintainers guide for details](https://www.pygmt.org/dev/maintenance.html#updating-the-changelog))
 
 **Release**:

doc/index.rst

@@ -40,7 +40,7 @@
 
     api/index.rst
     changes.md
-    minversions.rst
+    minversions.md
 
 .. toctree::
     :maxdepth: 2

doc/maintenance.md

@@ -218,7 +218,7 @@ publishing the actual release notes at {doc}`changes`.
 7. Edit the list of people who contributed to the release, linking to their
    GitHub accounts. Sort their names by the number of commits made since the
    last release (e.g., use `git shortlog HEAD...v0.4.0 -sne`).
-8. Update `doc/minversions.rst` with new information on the new release version,
+8. Update `doc/minversions.md` with new information on the new release version,
    including a vX.Y.Z documentation link, and minimum required versions of GMT, Python
    and core package dependencies (NumPy/Pandas/Xarray). Follow
    [SPEC 0](https://scientific-python.org/specs/spec-0000/) for updates.

doc/minversions.md

@@ -0,0 +1,69 @@
+# Minimum Supported Versions
+
+PyGMT has adopted [SPEC 0](https://scientific-python.org/specs/spec-0000/) alongside the
+rest of the Scientific Python ecosystem, and therefore:
+
+- Support for Python versions be dropped 3 years after their initial release.
+- Support for core package dependencies (NumPy/Pandas/Xarray) be dropped 2 years after
+  their initial release.
+
+| PyGMT Version | GMT | Python | NumPy | Pandas | Xarray |
+|---|---|---|---|---|---|
+| [Dev][]* [[Docs][Docs Dev]] | >=6.3.0 | >=3.10 | >=1.23 | >=1.5 | >=2022.03 |
+| [v0.11.0][] [[Docs][Docs v0.11.0]] | >=6.3.0 | >=3.9 | >=1.23 |  |  |
+| [v0.10.0][] [[Docs][Docs v0.10.0]] | >=6.3.0 | >=3.9 | >=1.22 |  |  |
+| [v0.9.0][] [[Docs][Docs v0.9.0]] | >=6.3.0 | >=3.8 | >=1.21 |  |  |
+| [v0.8.0][] [[Docs][Docs v0.8.0]] | >=6.3.0 | >=3.8 | >=1.20 |  |  |
+| [v0.7.0][] [[Docs][Docs v0.7.0]] | >=6.3.0 | >=3.8 | >=1.20 |  |  |
+| [v0.6.1][] [[Docs][Docs v0.6.1]] | >=6.3.0 | >=3.8 | >=1.19 |  |  |
+| [v0.6.0][] [[Docs][Docs v0.6.0]] | >=6.3.0 | >=3.8 | >=1.19 |  |  |
+| [v0.5.0][] [[Docs][Docs v0.5.0]] | >=6.2.0 | >=3.7 | >=1.18 |  |  |
+| [v0.4.1][] [[Docs][Docs v0.4.1]] | >=6.2.0 | >=3.7 | >=1.17 |  |  |
+| [v0.4.0][] [[Docs][Docs v0.4.0]] | >=6.2.0 | >=3.7 | >=1.17 |  |  |
+| [v0.3.1][] [[Docs][Docs v0.3.1]] | >=6.1.1 | >=3.7 |  |  |  |
+| [v0.3.0][] [[Docs][Docs v0.3.0]] | >=6.1.1 | >=3.7 |  |  |  |
+| [v0.2.1][] [[Docs][Docs v0.2.1]] | >=6.1.1 | >=3.6 |  |  |  |
+| [v0.2.0][] [[Docs][Docs v0.2.0]] | >=6.1.1 | 3.6 - 3.8 |  |  |  |
+| [v0.1.2][] [[Docs][Docs v0.1.2]] | >=6.0.0 | 3.6 - 3.8 |  |  |  |
+| [v0.1.1][] [[Docs][Docs v0.1.1]] | >=6.0.0 | 3.6 - 3.8 |  |  |  |
+| [v0.1.0][] [[Docs][Docs v0.1.0]] | >=6.0.0 | 3.6 - 3.8 |  |  |  |
+
+*Dev reflects the main branch and is for the upcoming release.
+
+[Dev]: https://github.com/GenericMappingTools/pygmt/milestones
+[v0.11.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.11.0
+[v0.10.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.10.0
+[v0.9.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.9.0
+[v0.8.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.8.0
+[v0.7.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.7.0
+[v0.6.1]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.6.1
+[v0.6.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.6.0
+[v0.5.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.5.0
+[v0.4.1]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.4.1
+[v0.4.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.4.0
+[v0.3.1]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.3.1
+[v0.3.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.3.0
+[v0.2.1]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.2.1
+[v0.2.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.2.0
+[v0.1.2]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.1.2
+[v0.1.1]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.1.1
+[v0.1.0]: https://github.com/GenericMappingTools/pygmt/releases/tag/v0.1.0
+
+[Docs Dev]: https://www.pygmt.org/dev
+[Docs v0.11.0]: https://www.pygmt.org/v0.11.0
+[Docs v0.10.0]: https://www.pygmt.org/v0.10.0
+[Docs v0.9.0]: https://www.pygmt.org/v0.9.0
+[Docs v0.8.0]: https://www.pygmt.org/v0.8.0
+[Docs v0.7.0]: https://www.pygmt.org/v0.7.0
+[Docs v0.6.1]: https://www.pygmt.org/v0.6.1
+[Docs v0.6.0]: https://www.pygmt.org/v0.6.0
+[Docs v0.5.0]: https://www.pygmt.org/v0.5.0
+[Docs v0.4.1]: https://www.pygmt.org/v0.4.1
+[Docs v0.4.0]: https://www.pygmt.org/v0.4.0
+[Docs v0.3.1]: https://www.pygmt.org/v0.3.1
+[Docs v0.3.0]: https://www.pygmt.org/v0.3.0
+[Docs v0.2.1]: https://www.pygmt.org/v0.2.1
+[Docs v0.2.0]: https://www.pygmt.org/v0.2.0
+[Docs v0.1.2]: https://www.pygmt.org/v0.1.2
+[Docs v0.1.1]: https://www.pygmt.org/v0.1.1
+[Docs v0.1.0]: https://www.pygmt.org/v0.1.0