Bump Gr1N/setup-poetry from 7 to 8

Bumps [Gr1N/setup-poetry](https://github.com/Gr1N/setup-poetry) from 7 to 8.
- [Release notes](https://github.com/Gr1N/setup-poetry/releases)
- [Commits](Gr1N/setup-poetry@v7...v8)

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

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -20,7 +20,7 @@ jobs:
       - name: Setup nox
         uses: daisylb/setup-nox@v2.1.0
       - name: Setup poetry
-        uses: Gr1N/setup-poetry@v7
+        uses: Gr1N/setup-poetry@v8
         with:
           poetry-version: 1.2.1
       - name: Install dependencies
@@ -41,7 +41,7 @@ jobs:
       - name: Setup nox
         uses: daisylb/setup-nox@v2.1.0
       - name: Setup poetry
-        uses: Gr1N/setup-poetry@v7
+        uses: Gr1N/setup-poetry@v8
         with:
           poetry-version: 1.2.1
       - name: Install dependencies