fix: ci use fixed runner os

.github/workflows/ccpp.yml

@@ -8,29 +8,31 @@ on:
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v2
-    - name: get-dependencies
+    - name: clone
+      uses: actions/checkout@v4
+
+    - name: install dependencies
       run: | 
-        sudo apt update
-        sudo apt install freeglut3 freeglut3-dev libglew1.5 libglew1.5-dev libglu1-mesa libglu1-mesa-dev libgl1-mesa-glx libgl1-mesa-dev build-essential libgl1-mesa-dev g++ make cmake libsdl2-dev libjpeg-dev qttools5-dev-tools qtbase5-dev qtmultimedia5-dev libboost-all-dev qt4-qmake -y
+        apt-get update
+        apt-get install --yes freeglut3 freeglut3-dev  libglew1.5-dev libglu1-mesa libglu1-mesa-dev libgl1-mesa-glx libgl1-mesa-dev build-essential libgl1-mesa-dev g++ make cmake libsdl2-dev libjpeg-dev qttools5-dev-tools qtbase5-dev qtmultimedia5-dev libboost-all-dev qt5-qmake
+
     - name: cmake
       run: |
         mkdir build
         cd build
         cmake ..
+        
     - name: make
       run: |
         cd build
-        make -j4
-    - name: qmake
-      run: |
-        cd qtserver
-        mkdir build
-        cd build
+        make -j$(nproc)
+        ls -la
+        
+    #- name: qmake
+    #  run: |
     #    qmake ..
     #    make
     #- name: make check