ci: use shell bash for poetry commands on all platforms

Author: dudash

.github/workflows/ci.yml

@@ -49,9 +49,11 @@ jobs:
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: poetry install --no-interaction --with dev --no-root
+        shell: bash
 
       - name: Install project
         run: poetry install --no-interaction
+        shell: bash
 
       - name: Run linting
         run: |

.github/workflows/release.yml

@@ -51,9 +51,11 @@ jobs:
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: poetry install --no-interaction --with dev --no-root
+        shell: bash
 
       - name: Install project
         run: poetry install --no-interaction
+        shell: bash
 
       - name: Run tests
         run: poetry run pytest tests/ -v