Test on CI that update-meson is properly ran

Author: user202729

.github/workflows/ci-meson.yml

@@ -63,6 +63,21 @@ jobs:
           conda info
           conda list
 
+      - name: Check update-meson
+        shell: bash -l {0}
+        id: check_update_meson
+        run: |
+          python3 tools/update-meson.py
+          make test-git-no-uncommitted-changes
+        continue-on-error: true
+
+      - name: Show files changed by update-meson
+        if: ${{ steps.check_update_meson.outcome == 'failure' }}
+        shell: bash -l {0}
+        run: |
+          git status
+          git diff
+
       - name: Build
         shell: bash -l {0}
         run: |