Bump actions/add-to-project (#3376)

Bumps [actions/add-to-project](https://github.com/actions/add-to-project) from c0c5949b017d0d4a39f7ba888255881bdac2a823 to 8a84a858ead1a8775386f50be595a438772c2879.
- [Release notes](https://github.com/actions/add-to-project/releases)
- [Commits](actions/add-to-project@c0c5949...8a84a85)

---
updated-dependencies:
- dependency-name: actions/add-to-project
  dependency-version: 8a84a858ead1a8775386f50be595a438772c2879
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/code-sample-automation.yml

@@ -10,7 +10,7 @@ jobs:
   add-pr-to-project:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/add-to-project@c0c5949b017d0d4a39f7ba888255881bdac2a823
+      - uses: actions/add-to-project@8a84a858ead1a8775386f50be595a438772c2879
         with:
           project-url: https://github.com/orgs/meilisearch/projects/44
           github-token: ${{ secrets.GH_TOKEN }}