WIP: cache apt packages in CI

Author: tom93

.github/workflows/ci.yml

@@ -35,6 +35,13 @@ jobs:
         with:
           bundler-cache: true
 
+      - name: Cache apt packages
+        uses: actions/cache@v4
+        with:
+          path: |
+            /var/lib/apt/lists
+            /var/cache/apt/archives
+
       - run: bash script/install/config.bash --defaults
         env:
           DATABASE_INSTALL: false