Run apt-get update before trying to install libgli and libsdl2 on linux build machines

Fixes this issue https://github.com/actions/runner-images/issues/5562

.github/workflows/Build.yaml

@@ -89,7 +89,9 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install opengl and SDL
-      run: sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
 
     - name: Download & Install premake
       working-directory: RecastDemo
@@ -119,7 +121,9 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install opengl and SDL
-      run: sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
 
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.conf}}

.github/workflows/Tests.yaml

@@ -47,7 +47,9 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install opengl and SDL
-      run: sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
 
     - name: Download & Install premake
       working-directory: RecastDemo