Bump actions/add-to-project from 0.6.1 to 1.0.0

Bumps [actions/add-to-project](https://github.com/actions/add-to-project) from 0.6.1 to 1.0.0.
- [Release notes](https://github.com/actions/add-to-project/releases)
- [Commits](actions/add-to-project@v0.6.1...v1.0.0)

---
updated-dependencies:
- dependency-name: actions/add-to-project
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/issues.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/add-to-project@v0.6.1
+      - uses: actions/add-to-project@v1.0.0
         with:
           project-url: 'https://github.com/orgs/altwalker/projects/1'
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}