ci: cache apt packages for tauri linux deps

.github/workflows/ci.yml

@@ -23,10 +23,20 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Cache apt packages
+        uses: actions/cache@v4
+        with:
+          path: ~/apt-cache
+          key: ${{ runner.os }}-apt-tauri-${{ hashFiles('.github/workflows/ci.yml') }}
+          restore-keys: |
+            ${{ runner.os }}-apt-tauri-
+
       - name: Install Linux dependencies
         run: |
+          mkdir -p ~/apt-cache && chmod -R a+rw ~/apt-cache
           sudo apt-get update
-          sudo apt-get install -y libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf
+          sudo apt-get install -y --no-install-recommends -o dir::cache::archives="$HOME/apt-cache" libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf
+          sudo chmod -R a+rw ~/apt-cache
 
       - uses: dtolnay/rust-toolchain@stable