Update blank.yml

.github/workflows/blank.yml

@@ -37,10 +37,10 @@ jobs:
           sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa -y
           sudo apt update
           sudo apt update && sudo apt install libfuse2 -y
-          sudo apt install --no-install-recommends ca-certificates qt6-base-dev qt6-base-private-dev libqt6svg6-dev git cmake make g++-13 gcc-13 pkg-config libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libxi-dev libxrandr-dev libudev-dev libevdev-dev libsfml-dev libminiupnpc-dev libmbedtls-dev libcurl4-openssl-dev libhidapi-dev libsystemd-dev libbluetooth-dev libasound2-dev libpulse-dev libpugixml-dev libbz2-dev libzstd-dev liblzo2-dev libpng-dev libusb-1.0-0-dev gettext -y
+          sudo apt install --no-install-recommends ca-certificates qt6-base-dev qt6-base-private-dev libqt6svg6-dev git cmake make g++-12 gcc-12 pkg-config libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libxi-dev libxrandr-dev libudev-dev libevdev-dev libsfml-dev libminiupnpc-dev libmbedtls-dev libcurl4-openssl-dev libhidapi-dev libsystemd-dev libbluetooth-dev libasound2-dev libpulse-dev libpugixml-dev libbz2-dev libzstd-dev liblzo2-dev libpng-dev libusb-1.0-0-dev gettext -y
           sudo apt install git -y
           sudo apt install libstdc++6 -y
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 100 --slave /usr/bin/g++ g++ /usr/bin/g++-13 --slave /usr/bin/gcov gcov /usr/bin/gcov-13
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12
           wget -q "https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage" -O linuxdeploy ; chmod a+x linuxdeploy
           wget -q "https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage" -O appimagetool ; chmod a+x appimagetool
           wget -q "https://github.com/AppImage/AppImageKit/releases/download/continuous/AppRun-x86_64" -O AppRun ; chmod a+x AppRun