Bump actions/add-to-project from 0.5.0 to 0.6.0

Bumps [actions/add-to-project](https://github.com/actions/add-to-project) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/actions/add-to-project/releases)
- [Commits](actions/add-to-project@31b3f3c...0609a27)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/issue-triage.yml

@@ -12,7 +12,7 @@ jobs:
     name: Add issue to project
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/add-to-project@31b3f3ccdc584546fc445612dec3f38ff5edb41c
+      - uses: actions/add-to-project@0609a2702eefb44781da00f8e04901d6e5cd2b92
         with:
           project-url: https://github.com/orgs/usnistgov/projects/25
           github-token: ${{ secrets.COMMIT_TOKEN }}