ci: ensure Poetry is installed in all OS matrix jobs

Author: dudash

.github/workflows/ci.yml

@@ -39,6 +39,13 @@ jobs:
           path: .venv
           key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
 
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          version: latest
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: poetry install --no-interaction --with dev --no-root

.github/workflows/release.yml

@@ -41,6 +41,13 @@ jobs:
           path: .venv
           key: venv-${{ runner.os }}-${{ env.PYTHON_VERSION }}-${{ hashFiles('**/poetry.lock') }}
 
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          version: latest
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: poetry install --no-interaction --with dev --no-root