Update build.yml

.github/workflows/build.yml

@@ -424,6 +424,8 @@ jobs:
           git clone https://github.com/pyinstaller/pyinstaller.git
           cd pyinstaller
           export latest_release=$(git tag --list | grep -v dev | grep -v rc | sort -Vr | head -n1)
+          # temp freeze PyInstaller at 5.3
+          export latest_release="v5.3"
           git checkout "${latest_release}"
           # remove pre-compiled bootloaders so we fail if bootloader compile fails
           rm -rvf PyInstaller/bootloader/*-*/*