Workflow updates

- Do not re-run PR tests on edited PRs
- Close added/fixed issues on published release
- Issues stale after 60 days instead of 30, close after 10 days instead of 5
- Use Vankka/pr-target-branch-action for checking that PR is made to proper branch
- Add version number to sphinx config, must use cmake to configure the file
- Add jobs to readthedocs.yaml configuration

.github/workflows/issues-stale.yml

@@ -26,8 +26,8 @@ jobs:
             This PR was closed because it has been stalled for 5 days with no activity.
           stale-pr-label: 'stale'
           exempt-pr-labels: 'status:in-progress'
-          days-before-stale: 30
-          days-before-close: 5
+          days-before-stale: 60
+          days-before-close: 10
 
       - name: Invalid Template
         uses: actions/stale@v5