Add conventional commit validation workflow

Author: matthewelwell

.github/workflows/conventional-commit.yml

@@ -0,0 +1,29 @@
+name: Conventional Commit
+
+on:
+    pull_request:
+        types:
+            - edited
+            - opened
+
+jobs:
+    conventional-commit:
+        name: Conventional Commit
+        runs-on: depot-ubuntu-latest
+        steps:
+            - name: Check PR Conventional Commit title
+              uses: amannn/action-semantic-pull-request@v5
+              env:
+                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+              with:
+                  types: | # mirrors changelog-sections in the /release-please-config.json
+                      feat
+                      fix
+                      infra
+                      ci
+                      docs
+                      deps
+                      perf
+                      refactor
+                      test
+                      chore