chore: add tests, update docs and actions (#299)

* docs: update documentation

* feat: validate-inputs has it's own pyproject

* security: mask DOCKERHUB_PASSWORD

* chore: add tokens, checkout, recrete docs, integration tests

* fix: add `statuses: write` permission to pr-lint

dotnet-version-detect/README.md

@@ -11,6 +11,7 @@ Detects .NET SDK version from global.json or defaults to a specified version.
 | name              | description                                                         | required | default |
 |-------------------|---------------------------------------------------------------------|----------|---------|
 | `default-version` | <p>Default .NET SDK version to use if global.json is not found.</p> | `true`   | `7.0`   |
+| `token`           | <p>GitHub token for authentication</p>                              | `false`  | `""`    |
 
 ### Outputs
 
@@ -32,4 +33,10 @@ This action is a `composite` action.
     #
     # Required: true
     # Default: 7.0
+
+    token:
+    # GitHub token for authentication
+    #
+    # Required: false
+    # Default: ""
 ```