use only 4 threads for build

.github/workflows/cmake.yml

@@ -53,7 +53,7 @@ jobs:
           git clone https://github.com/libsdl-org/SDL.git
           cd SDL
           cmake -G "Ninja Multi-Config" -B.build .
-          cmake --build .build --config Release -j
+          cmake --build .build --config Release -j 4
           sudo cmake --install .build --config Release
           cd ..
 
@@ -68,7 +68,7 @@ jobs:
     - name: Build
       # Build your program with the given configuration
       run: |
-        cmake --build ${{github.workspace}}/build --config ${{inputs.build_type}} -j
+        cmake --build ${{github.workspace}}/build --config ${{inputs.build_type}} -j 4
         mv ${{github.workspace}}/build/VoxelEngine VoxelEngine
     - name: Run tests
       if: ${{ inputs.run_tests }}

.github/workflows/macos.yml

@@ -23,7 +23,7 @@ jobs:
         run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DVOXELENGINE_BUILD_TESTS=ON -DVOXELENGINE_BUILD_APPDIR=1
 
       - name: Build
-        run: cmake --build build -t install -j
+        run: cmake --build build -t install -j 4
 
       - name: Make fix_dylibs.sh executable
         run: chmod +x dev/fix_dylibs.sh

.github/workflows/windows-clang.yml

@@ -48,7 +48,7 @@ jobs:
             mkdir build
             cd build
             cmake -G "MinGW Makefiles" -DVCPKG_TARGET_TRIPLET=x64-mingw-static -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=./vcpkg/scripts/buildsystems/vcpkg.cmake ..
-            cmake --build . --config Release -j
+            cmake --build . --config Release -j 4
       - name: Package for Windows
         run: |
           mkdir packaged

.github/workflows/windows.yml

@@ -32,7 +32,7 @@ jobs:
           VCPKG_ROOT: ${{ github.workspace }}/vcpkg
         run: |
           cmake --preset default-vs-msvc-windows
-          cmake --build --preset default-vs-msvc-windows --config Release -j
+          cmake --build --preset default-vs-msvc-windows --config Release -j 4
       - name: Run tests
         run: ctest --preset default-vs-msvc-windows
       - name: Run engine tests