Bump abatilo/actions-poetry from 2.0.0 to 3.0.0

Bumps [abatilo/actions-poetry](https://github.com/abatilo/actions-poetry) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/abatilo/actions-poetry/releases)
- [Changelog](https://github.com/abatilo/actions-poetry/blob/master/.releaserc)
- [Commits](abatilo/actions-poetry@v2.0.0...v3.0.0)

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

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

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           python-version: "3.x"
       - name: set up Poetry
-        uses: abatilo/actions-poetry@v2.0.0
+        uses: abatilo/actions-poetry@v3.0.0
         with:
           poetry-version: "1.3.1"
       - name: get version

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           python-version: ${{ matrix.python }}
       - name: set up Poetry
-        uses: abatilo/actions-poetry@v2.0.0
+        uses: abatilo/actions-poetry@v3.0.0
         with:
           poetry-version: "1.6.1"
       - name: install dependencies