ci: bump actions/add-to-project from 0.6.1 to 1.0.0 (#172)

Author: dependabot[bot]

Diff for: .github/workflows/project_add.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
-      - uses: actions/add-to-project@v0.6.1
+      - uses: actions/add-to-project@v1.0.0
         with:
           project-url: https://github.com/orgs/MeltanoLabs/projects/3
           github-token: ${{ secrets.MELTYBOT_PROJECT_ADD_PAT }}