Migrate to octokit handling of Annotations

- Allows verbose reporting of Issues in Run Terminal/Log.
- Correctly maps Issue Severity to GitHub Severity
- Additionally adds support for Severity Failure levels (defaults to 'notice' [all])
- Adds suggested fixes to Annotation Raw Details
- Prepares foundation for supporting Comments
- Adds support for Multi-Line Annotations
- Adds mapping for common Issue Severities to GitHub Severities (Code climate | Checkstyle | GitHub)
- Adds handeling of 'Ignore' Issue Severity (removes from Issue List)
- Adds support for Character Range Annotations

action.yml

@@ -32,6 +32,10 @@ inputs:
     description: "if set to true then the action don't cache or restore ~/.cache/go-build."
     default: false
     required: true
+  failure-level:
+    description: "lowest issue severity to continue failing on (if golangci-lint exits with exit code 1), defaults to 'notice', may be: 'notice' | 'warning' | 'failure'"
+    default: "notice"
+    required: false
 runs:
   using: "node12"
   main: "dist/run/index.js"