Bump snok/install-poetry from 1.3.4 to 1.4.0 (#516)

Bumps [snok/install-poetry](https://github.com/snok/install-poetry) from 1.3.4 to 1.4.0.
- [Release notes](https://github.com/snok/install-poetry/releases)
- [Commits](snok/install-poetry@v1.3.4...v1.4.0)

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

.github/workflows/python-ci.yml

@@ -47,7 +47,7 @@ jobs:
 
     # https://github.com/marketplace/actions/install-poetry-action
     - name: Install Poetry
-      uses: snok/install-poetry@v1.3.4
+      uses: snok/install-poetry@v1.4.0
       with:
         version: latest
         virtualenvs-create: true

.github/workflows/python-publish.yml

@@ -23,7 +23,7 @@ jobs:
         python-version: '3.x'
 
     - name: Install Poetry
-      uses: snok/install-poetry@v1.3.4
+      uses: snok/install-poetry@v1.4.0
       with:
         virtualenvs-create: true
         virtualenvs-in-project: true