Use Eldev to check if copyright notices are up-to-date during CI.

Author: doublep

.github/workflows/test.yml

@@ -38,8 +38,15 @@ jobs:
 
     - name: Check out the source code
       uses: actions/checkout@v4
+      with:
+        # To make automated copyright notice check below work.  Can this be optimized?
+        fetch-depth: 0
 
     - name: Test the project
       run: |
         eldev -p -dtT -C test --expect 15
         eldev -dtT -C compile --set all --warnings-as-errors
+
+    - name: Ensure that copyright notices are up-to-date
+      run: |
+        eldev -p -dvQTC doctor up-to-date-copyright --all-tests