ci: cache apt packages

Author: kaixoo12

.github/workflows/build.yml

@@ -17,6 +17,9 @@ jobs:
       with:
         submodules: recursive  # Gets submodules
 
+    - name: Cache APT Packages
+      uses: awalsh128/[email protected]
+
     - name: ⚙️ Set up dependencies
       run: |
         sudo apt-get update