fixup order of checks

.github/workflows/ci-main.yml

@@ -19,6 +19,10 @@ jobs:
     steps:
       - { uses: actions/checkout@v3, with: { submodules: "recursive", fetch-depth: "0" } }
 
+      - name: Set git safe directory
+        if: success() || failure()
+        run: |
+          git config --global --add safe.directory '*'
       - name: Check for invalid characters
         if: success() || failure()
         run: |
@@ -31,14 +35,13 @@ jobs:
       - name: Run luacheck
         if: success() || failure()
         run: luacheck .
+      - name: Copyright check # doxygen creates some image files, so it needs to be done after the copyright check
+        if: success() || failure()
+        run: |
+          ./update_copyrights --output=""
       - name: Doxygen check
         if: success() || failure()
         run: doxygen doc/doxygen/Doxyfile
-      - name: Copyright check
-        if: success() || failure()
-        run: |
-          git config --global --add safe.directory '*'
-          ./update_copyrights --output=""
 
   ubuntu:
     strategy: