PLT-212 New workflows for tofu fmt, plan, and apply

.github/workflows/python-checks.yml

@@ -0,0 +1,22 @@
+name: python-checks
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - 'terraform/services/alarm-to-slack/lambda_src/**'
+
+jobs:
+  python-checks:
+    runs-on: codebuild-cdap-${{github.run_id}}-${{github.run_attempt}}
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47
+        id: changed-dirs
+        with:
+          files: |
+            terraform/services/alarm-to-slack/lambda_src/**
+          dir_names: 'true'
+      - run: scripts/python-checks
+        env:
+          CHANGED_DIRS: ${{ steps.changed-dirs.outputs.all_changed_files }}