new download calls

.github/workflows/backend.yaml

@@ -1,13 +1,12 @@
-name: Backend Build 
+name: Backend Build
 
 on: [push, pull_request]
 
-
 jobs:
   backend:
-      runs-on: ubuntu-latest
+    runs-on: ubuntu-latest
 
-      steps:
+    steps:
       - name: Checkout repository
         uses: actions/checkout@v3
 
@@ -18,19 +17,19 @@ jobs:
         run: sudo apt-get install -y cmake
 
       - name: Install OCCT dependencies
-        run: sudo apt-get install -y libfreetype6-dev libgl2ps-dev libx11-dev libxt-dev libxmu-dev libxi-dev libgl-dev libc++-15-dev libc++abi-15-dev
+        run: sudo apt-get install -y libfreetype6-dev libgl2ps-dev libx11-dev libxt-dev libxmu-dev libxi-dev libgl-dev libc++-15-dev libc++abi-15-dev libocct-foundation-dev libocct-foundation-7.5
 
       - name: Create build directory
         working-directory: backend
         run: mkdir build
 
       - name: find opencascade
-        run: sudo find /usr/ -name "OpenCASCADEConfig.cmake"
+        run: sudo find /usr -name "OpenCASCADEConfig.cmake"
 
       - name: Cmake Build
         working-directory: backend/build
         run: cmake ..
-      
+
       - name: Build Backend Project
         working-directory: backend/build
         run: make