add pr-semantic

Signed-off-by: Paul Schultz <pschultz@pobox.com>

.github/workflows/pr-semantic.yaml

@@ -0,0 +1,73 @@
+name: 'Semantic Release'
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+      - labeled
+      - unlabeled
+
+jobs:
+  title:
+    name: Conventional Commits
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@0723387faaf9b38adef4775cd42cfd5155ed6017 # v5
+        id: lint_pr_title
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          # Since we use `conventionalcommits` preset for
+          # `@semantic-release/commit-analyzer`, this list has to match allowed types
+          # Ref: https://github.com/conventional-changelog/conventional-changelog-config-spec/blob/master/versions/2.2.0/README.md#types
+          types: |
+            feat
+            fix
+            chore
+            docs
+            style
+            refactor
+            perf
+            test
+            revert
+          requireScope: false
+          subjectPattern: ^(?![A-Z]).+$
+          subjectPatternError: |
+            The subject "{subject}" found in the pull request title "{title}"
+            didn't match the configured pattern. Please ensure that the subject
+            doesn't start with an uppercase character.
+          ignoreLabels: |
+            ignore-semantic-pull-request
+          # For work-in-progress PRs you can typically use draft pull requests
+          # from GitHub. However, private repositories on the free plan don't have
+          # this option and therefore this action allows you to opt-in to using the
+          # special "[WIP]" prefix to indicate this state. This will avoid the
+          # validation of the PR title and the pull request checks remain pending.
+          # Note that a second check will be reported if this is enabled.
+          wip: true
+
+      - uses: marocchino/sticky-pull-request-comment@331f8f5b4215f0445d3c07b4967662a32a2d3e31 # v2
+        # When the previous steps fails, the workflow would stop. By adding this
+        # condition you can continue the execution with the populated error message.
+        if: always() && (steps.lint_pr_title.outputs.error_message != null)
+        with:
+          header: pr-title-lint-error
+          message: |
+            Hey there and thank you for opening this pull request! 👋🏼
+
+            We require pull request titles to follow the [Conventional Commits specification](https://www.conventionalcommits.org/en/v1.0.0/) and it looks like your proposed title needs to be adjusted.
+
+            Details:
+
+            ```
+            ${{ steps.lint_pr_title.outputs.error_message }}
+            ```
+
+      # Delete a previous comment when the issue has been resolved
+      - if: ${{ steps.lint_pr_title.outputs.error_message == null }}
+        uses: marocchino/sticky-pull-request-comment@331f8f5b4215f0445d3c07b4967662a32a2d3e31 # v2
+        with:
+          header: pr-title-lint-error
+          delete: true