CMake GitHub workflow: Run the tests of shelving functionality from two
separate steps, that initialize the environment, and run a single test.

* .github/workflows/cmake.yml
  (env): No longer initialize the SVN_EXPERIMENTAL_COMMANDS environment
   variable.
  (Test shelf2, Test shelf3): New steps.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1922653 13f79535-47bb-0310-9956-ffa450edef68
1 file changed