ci: add semantic-pr workflow to enforce conventional commits (#2472)

.github/workflows/semantic-pr.yml

@@ -0,0 +1,28 @@
+name: "Semantic PR"
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - edited
+      - synchronize
+
+permissions: {}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  main:
+    name: Validate PR Title
+    runs-on: ubuntu-slim
+    permissions:
+      contents: read
+      pull-requests: read
+      checks: write
+    steps:
+      - uses: amannn/action-semantic-pull-request@48f256284bd46cdaab1048c3721360e808335d50 # v6.1.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

CONTRIBUTING.md

@@ -122,7 +122,7 @@ Steps:
 
 - If you are taking on an existing bug or feature ticket, please comment on the [issue](/../../issues) to avoid multiple people working on the same thing.
 - All commits **must** follow [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/)
-  - Pull requests with commits not following this standard will **not** be merged.
+  - Pull requests with titles or commits not following this standard will **not** be merged. PR titles are automatically checked for compliance.
 - Please make meaningful commits, or squash them prior to opening a pull request.
   - Do not squash commits once people have begun reviewing your changes.
 - Always rebase your commit to the latest `develop` branch. Do **not** merge `develop` into your branch.