Bump abatilo/actions-poetry from 2 to 3 (#1448)

Bumps [abatilo/actions-poetry](https://github.com/abatilo/actions-poetry) from 2 to 3.
- [Release notes](https://github.com/abatilo/actions-poetry/releases)
- [Changelog](https://github.com/abatilo/actions-poetry/blob/master/.releaserc)
- [Commits](abatilo/actions-poetry@v2...v3)

---
updated-dependencies:
- dependency-name: abatilo/actions-poetry
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yml

@@ -176,7 +176,7 @@ jobs:
           python-version: 3.9
       - name: Setup Poetry
         if: steps.changed-files-specific.outputs.any_changed == 'true'
-        uses: abatilo/actions-poetry@v2
+        uses: abatilo/actions-poetry@v3
       - name: Poetry install
         if: steps.changed-files-specific.outputs.any_changed == 'true'
         working-directory: ./openfeature/providers/python-provider