ci(gdb): add workflow to verify generated constants are up-to-date

.github/workflows/check_gdb_consts.yml

@@ -0,0 +1,29 @@
+name: Verify GDB constants are up-to-date
+on:
+  push:
+  pull_request:
+
+# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurrency
+# Ensure that only one commit will be running tests at a time on each PR
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  verify-gdb-consts:
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+      - name: Setup Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: 3.12
+      - name: Regenerate GDB constants
+        run: python3 scripts/gdb/scripts/generate_all.py
+      - name: Check that repository is clean
+        run: git diff --exit-code >/dev/null 2>&1 || (echo "GDB constants are out of date. Please run: python3 scripts/gdb/scripts/generate_all.py"; false)