Build ShapesDemo on Ubuntu Github CI (#4678)

* Refs #20786: Build ShapesDemo on Ubuntu Github CI

Signed-off-by: eduponz <eduardoponz@eprosima.com>

* Refs #20786: Install Qt

Signed-off-by: eduponz <eduardoponz@eprosima.com>

* Refs #20786: Remove unnecessary entry in ci.meta

Signed-off-by: eduponz <eduardoponz@eprosima.com>

---------

Signed-off-by: eduponz <eduardoponz@eprosima.com>
(cherry picked from commit a35c846)

.github/workflows/reusable-ubuntu-ci.yml

@@ -98,6 +98,29 @@ jobs:
           destination_workspace: src
           skip_existing: 'true'
 
+      # Get Shapes Demo to make sure it keeps compiling
+      - name: Get Shapes Demo branch
+        id: get_shapes_demo_branch
+        uses: eProsima/eProsima-CI/ubuntu/get_related_branch_from_repo@v0
+        with:
+          remote_repository: eProsima/ShapesDemo
+          fallback_branch: ${{ inputs.fastdds-branch || '2.13.x' }}
+
+      - name: Download Shapes Demo repo
+        uses: eProsima/eProsima-CI/external/checkout@v0
+        with:
+          repository: eProsima/ShapesDemo
+          path: src/shapes-demo
+          ref: ${{ steps.get_shapes_demo_branch.outputs.deduced_branch }}
+
+      # Required for Shapes Demo
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v2.13.0
+        with:
+          version: '5.15.2'
+          dir: '${{ github.workspace }}/qt_installation/'
+          modules: 'qtcharts'
+
       - name: Colcon build
         continue-on-error: false
         uses: eProsima/eProsima-CI/multiplatform/colcon_build@v0