update actions

Author: Adam-

.github/workflows/build.yml

@@ -93,28 +93,21 @@ jobs:
     needs: [windows, macos]
     runs-on: ubuntu-24.04
     container:
-      image: amd64/centos:7.9.2009
+      image: amd64/ubuntu:20.04
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
       run: |
         set -e -x
-        curl -Lo cmake-3.23.2-linux-x86_64.tar.gz 'https://github.com/Kitware/CMake/releases/download/v3.23.2/cmake-3.23.2-linux-x86_64.tar.gz'
-        echo "aaced6f745b86ce853661a595bdac6c5314a60f8181b6912a0a4920acfa32708  cmake-3.23.2-linux-x86_64.tar.gz" | sha256sum -c
-        tar -xf cmake-3.23.2-linux-x86_64.tar.gz
-        mv cmake-3.23.2-linux-x86_64 cmake
-        yum -y install libX11-devel mesa-libGL-devel java-11-openjdk-devel "@Development Tools"
+        apt install -y cmake openjdk-11-jdk libgl-dev
     - uses: actions/download-artifact@v4
       with:
         path: jar/net/runelite/rlawt/
     - name: build linux-amd64
       run: |
         set -e -x
-        mkdir -p build/linux-amd64
-        cd build/linux-amd64
-        ../../cmake/bin/cmake ../../
-        ../../cmake/bin/cmake --build . --config Release
-        cd ../../
+        cmake -B build/linux-amd64 .
+        cmake --build build/linux-amd64 --config Release
         mkdir jar/net/runelite/rlawt/linux-amd64
         cp build/linux-amd64/librlawt.so jar/net/runelite/rlawt/linux-amd64/
         cp -r build/linux-amd64/CMakeFiles/jar.dir/net jar/