Bump Gr1N/setup-poetry from 8 to 9

Bumps [Gr1N/setup-poetry](https://github.com/gr1n/setup-poetry) from 8 to 9.
- [Release notes](https://github.com/gr1n/setup-poetry/releases)
- [Commits](Gr1N/setup-poetry@v8...v9)

---
updated-dependencies:
- dependency-name: Gr1N/setup-poetry
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build-docs.yml

@@ -21,7 +21,7 @@ jobs:
         run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
 
       - name: Set up poetry
-        uses: Gr1N/setup-poetry@v8
+        uses: Gr1N/setup-poetry@v9
 
       - name: Configure poetry
         run: poetry config virtualenvs.in-project true

.github/workflows/python-publish.yml

@@ -23,7 +23,7 @@ jobs:
           python-version: '3.x'
 
       - name: Set up poetry
-        uses: Gr1N/setup-poetry@v8
+        uses: Gr1N/setup-poetry@v9
 
       - name: Build
         run: poetry build

.github/workflows/python-test.yml

@@ -29,7 +29,7 @@ jobs:
         run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
 
       - name: Set up poetry
-        uses: Gr1N/setup-poetry@v8
+        uses: Gr1N/setup-poetry@v9
 
       - name: Configure poetry
         run: poetry config virtualenvs.in-project true
@@ -79,7 +79,7 @@ jobs:
         run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
 
       - name: Set up poetry
-        uses: Gr1N/setup-poetry@v8
+        uses: Gr1N/setup-poetry@v9
 
       - name: Configure poetry
         run: poetry config virtualenvs.in-project true