ci: update dependencies

.github/workflows/build.yml

@@ -9,18 +9,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.7
-    - uses: actions/cache@v2
-      name: Cache dependencies
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
+        python-version: 3.12
+        cache: pip
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip