Try to fix poetry cache (CI)

.github/workflows/ci.yaml

@@ -25,18 +25,10 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: "poetry"
 
-      - name: Cache Poetry dependencies
-        uses: actions/cache@v3
-        with:
-          path: ~/.cache/pypoetry
-          key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-poetry-
-
       - name: Install Poetry
-        run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade poetry
+        uses: snok/install-poetry@v1
+        with:
+          version: latest
 
       - name: Install dependencies with Poetry and StreamSnapper extras
         run: poetry install --extras "all"