Bump mamba-org/setup-micromamba from 1.8.1 to 1.9.0 (#3274)

Bumps [mamba-org/setup-micromamba](https://github.com/mamba-org/setup-micromamba) from 1.8.1 to 1.9.0.
- [Release notes](https://github.com/mamba-org/setup-micromamba/releases)
- [Commits](mamba-org/setup-micromamba@v1.8.1...v1.9.0)

---
updated-dependencies:
- dependency-name: mamba-org/setup-micromamba
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/benchmarks.yml

@@ -45,7 +45,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1.8.1
+        uses: mamba-org/setup-micromamba@v1.9.0
         with:
           environment-name: pygmt
           condarc: |

.github/workflows/cache_data.yaml

@@ -43,7 +43,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1.8.1
+        uses: mamba-org/setup-micromamba@v1.9.0
         with:
           environment-name: pygmt
           condarc: |

.github/workflows/ci_docs.yml

@@ -80,7 +80,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1.8.1
+        uses: mamba-org/setup-micromamba@v1.9.0
         with:
           environment-name: pygmt
           condarc: |

.github/workflows/ci_doctests.yaml

@@ -42,7 +42,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1.8.1
+        uses: mamba-org/setup-micromamba@v1.9.0
         with:
           environment-name: pygmt
           condarc: |

.github/workflows/ci_tests.yaml

@@ -105,7 +105,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1.8.1
+        uses: mamba-org/setup-micromamba@v1.9.0
         with:
           environment-name: pygmt
           condarc: |

.github/workflows/ci_tests_dev.yaml

@@ -57,7 +57,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1.8.1
+        uses: mamba-org/setup-micromamba@v1.9.0
         with:
           environment-name: pygmt
           condarc: |

.github/workflows/ci_tests_legacy.yaml

@@ -51,7 +51,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1.8.1
+        uses: mamba-org/setup-micromamba@v1.9.0
         with:
           environment-name: pygmt
           condarc: |