Bump snok/install-poetry from 1.3.4 to 1.4.1

Bumps [snok/install-poetry](https://github.com/snok/install-poetry) from 1.3.4 to 1.4.1.
- [Release notes](https://github.com/snok/install-poetry/releases)
- [Commits](https://github.com/snok/install-poetry/compare/v1.3.4...v1.4.1)

---
updated-dependencies:
- dependency-name: snok/install-poetry
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/pythonpackage.yml

@@ -24,7 +24,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install and configure Poetry
         # TODO: workaround for https://github.com/snok/install-poetry/issues/94
-        uses: snok/install-poetry@v1.3.4
+        uses: snok/install-poetry@v1.4.1
         with:
           version: 1.3.1
           virtualenvs-in-project: true