CI: Skip documentation deployment step outside of forks

Author: Pagghiu

.github/workflows/documentation_coverage.yml

@@ -51,14 +51,14 @@ jobs:
       if: github.ref == 'refs/heads/main'
       uses: actions/configure-pages@v4
     - name: Upload Artifact
-      if: github.ref == 'refs/heads/main'
+      if: github.ref == 'refs/heads/main' && github.repository == 'Pagghiu/SaneCppLibraries'
       uses: actions/upload-pages-artifact@v3
       with:
         # location of the coverage artifacts
         path: "_Build/_Documentation/docs"
 
   deploy:
-    if: github.ref == 'refs/heads/main'
+    if: github.ref == 'refs/heads/main' && github.repository == 'Pagghiu/SaneCppLibraries'
     runs-on: ubuntu-latest
     needs: build