chore: disable Codecov upload on the fork

The fork has no CODECOV_TOKEN secret, so the upload step fails with
fail_ci_if_error: true and takes the whole PHP Unit tests check down with
it. Comment the step out here; restore it (or supply a token) when
promoting to upstream.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: turegjorup

.github/workflows/pr.yaml

@@ -55,13 +55,15 @@ jobs:
                   docker compose exec -e XDEBUG_MODE=coverage phpfpm bin/console --env=test doctrine:migrations:migrate --no-interaction --quiet
                   docker compose exec -e XDEBUG_MODE=coverage phpfpm vendor/bin/phpunit --coverage-clover=coverage/unit.xml
 
-            - name: Upload coverage to Codecov
-              uses: codecov/codecov-action@v5
-              with:
-                  token: ${{ secrets.CODECOV_TOKEN }}
-                  files: ./coverage/unit.xml
-                  fail_ci_if_error: true
-                  flags: unittests
+            # Codecov upload disabled on the fork — no CODECOV_TOKEN secret.
+            # Re-enable when promoting to upstream.
+            # - name: Upload coverage to Codecov
+            #   uses: codecov/codecov-action@v5
+            #   with:
+            #       token: ${{ secrets.CODECOV_TOKEN }}
+            #       files: ./coverage/unit.xml
+            #       fail_ci_if_error: true
+            #       flags: unittests
 
     fixtures:
         runs-on: ubuntu-latest