[ci] Cache apt packages

Author: pandafy

.github/workflows/ci.yml

@@ -39,6 +39,14 @@ jobs:
           cache-dependency-path: |
             **/requirements*.txt
 
+      - name: Cache APT packages
+        uses: actions/cache@v4
+        with:
+          path: /var/cache/apt/archives
+          key: apt-${{ runner.os }}-${{ hashFiles('.github/workflows/ci.yml') }}
+          restore-keys: |
+            apt-${{ runner.os }}-
+
       - name: Disable man page auto-update
         run: |
           echo 'set man-db/auto-update false' | sudo debconf-communicate >/dev/null