ci(workflows): update Poetry versions and add caching

.github/workflows/tests.yaml

@@ -31,7 +31,7 @@ jobs:
           - name: macOS aarch64
             image: macos-14
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
-        poetry-version: ["1.5.0", "1.6.0", "1.7.0", "1.8.0"]
+        poetry-version: ["1.5.0", "1.6.0", "1.7.0", "1.8.0", "2.0.0"]
       fail-fast: false
     steps:
       - name: Checkout repository
@@ -46,15 +46,23 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install poetry
+      - name: Install Poetry
         id: install-poetry
         run: |
           python -m pip install "poetry==${{ matrix.poetry-version }}"
 
+      - name: Restore Poetry cache
+        id: restore-poetry-cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pypoetry
+          key: poetry-${{ runner.os }}-${{ hashFiles('poetry.lock') }}
+          restore-keys: poetry-${{ runner.os }}-
+
       - name: Install dependencies
         id: install-dependencies
         run: |
-          python -m poetry install --only main --only tests
+          python -m poetry install --no-interaction --only main --only tests
 
       - name: Run tests
         id: run-tests