Bump actions/first-interaction from 1 to 2

Bumps [actions/first-interaction](https://github.com/actions/first-interaction) from 1 to 2.
- [Release notes](https://github.com/actions/first-interaction/releases)
- [Commits](actions/first-interaction@v1...v2)

---
updated-dependencies:
- dependency-name: actions/first-interaction
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/greetings.yml

@@ -9,7 +9,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/first-interaction@v1
+      - uses: actions/first-interaction@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           issue-message: "Congratulations, ${{ github.actor }}! 🎉 Thank you for creating your first issue in GES. Your contribution is greatly appreciated and we look forward to working with you to resolve the issue. Keep up the great work!"