Update CI

Signed-off-by: Alberto Tudela <ajtudela@gmail.com>

.github/workflows/build.yml

@@ -33,6 +33,10 @@ jobs:
     runs-on: ubuntu-22.04
     needs: install-cortex
     steps:
+      - name: Cache APT Packages
+        uses: awalsh128/cache-apt-pkgs-action@v1.4.2
+        with:
+          packages: qtbase5-dev
       - name: Checkout Repository
         uses: actions/checkout@v4.1.6
       - name: Setup ROS 2
@@ -47,7 +51,6 @@ jobs:
         if: steps.restore-cache-cortex.outputs.cache-hit == 'true'
         run: |
           cd $CORTEX_PATH/cortex/build && make install
-          cd $CORTEX_PATH && ls -la
       - name: Build packages
         uses: ros-tooling/action-ros-ci@0.3.13
         with: