GitHub Actions: Fix cmake/ctest parallel jobs argument

* .github/workflows/cmake.yml
  (run_all_tests): Confusingly, the long form of -j argument isn't --jobs,
   it's parallel, so let's use that.

Review by: rinrab


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1922263 13f79535-47bb-0310-9956-ffa450edef68

.github/workflows/cmake.yml

@@ -167,7 +167,7 @@ jobs:
         id: run_all_tests
         if: matrix.run_tests
         working-directory: out
-        run: ctest --output-on-failure --verbose -C Release --jobs 16
+        run: ctest --output-on-failure --verbose -C Release --parallel 16
 
       - name: Rerun failed tests
         if: ${{ matrix.run_tests && failure() && steps.run_all_tests.conclusion == 'failure' }}