Update actions/cache action to v4

Author: renovate[bot]

.github/workflows/verify.yml

@@ -30,7 +30,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore base Python ${{ env.DEFAULT_PYTHON }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -52,7 +52,7 @@ jobs:
           pip install -r requirements_test.txt -r requirements_commit.txt
       - name: Restore pre-commit environment from cache
         id: cache-precommit
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.PRE_COMMIT_HOME }}
           key: |
@@ -81,7 +81,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore base Python ${{ env.DEFAULT_PYTHON }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -127,7 +127,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore base Python ${{ env.DEFAULT_PYTHON }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -142,7 +142,7 @@ jobs:
           exit 1
       - name: Restore pre-commit environment from cache
         id: cache-precommit
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.PRE_COMMIT_HOME }}
           key: |
@@ -178,7 +178,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Restore full Python ${{ matrix.python-version }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -218,7 +218,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Restore full Python ${{ matrix.python-version }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -256,7 +256,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore base Python ${{ env.DEFAULT_PYTHON }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -309,7 +309,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore base Python ${{ env.DEFAULT_PYTHON }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -347,7 +347,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore base Python ${{ env.DEFAULT_PYTHON }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-
@@ -390,7 +390,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore base Python ${{ env.DEFAULT_PYTHON }} virtual environment
         id: cache-venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: venv
           key: >-