ci: Add workflow to check each commit

.github/workflows/each.yaml

@@ -0,0 +1,33 @@
+# Helper workflow to trigger rcc for each commit on a branch
+
+on:
+  push:
+    branches:
+      - each-*
+
+name: rcc
+
+jobs:
+  rcc-smoke:
+    runs-on: ubuntu-24.04
+    outputs:
+      sha: ${{ steps.commit.outputs.sha }}
+      versions-matrix: ${{ steps.versions-matrix.outputs.matrix }}
+      dep-suggests-matrix: ${{ steps.dep-suggests-matrix.outputs.matrix }}
+
+    name: "Trigger rcc workflow for each commit"
+
+    # Begin custom: services
+    # End custom: services
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.ref }}
+          depth: 0
+
+      - name: Enumerate all commits from the repository's main branch
+        run: |
+          commits=$(git log --pretty=format:"%H" refs/remotes/origin/HEAD..HEAD)
+          echo $commits
+        shell: bash