Update Azure Pipelines template links to premake5 builds

Author: danielga

build/azure-pipelines.yml.template

@@ -32,7 +32,7 @@ jobs:
     COMPILER_PLATFORM: vs2019
     PROJECT_OS: windows
     PREMAKE5: $(System.DefaultWorkingDirectory)/dependencies/windows/premake-core/premake5.exe
-    PREMAKE5_URL: https://github.com/danielga/garrysmod_common/releases/download/premake5/premake-5.0.0-alpha16-windows.zip
+    PREMAKE5_URL: https://github.com/danielga/garrysmod_common/releases/download/premake-build%2F5.0.0-beta1/premake-5.0.0-beta1-windows.zip
   steps:
   - checkout: self
     clean: true
@@ -70,7 +70,7 @@ jobs:
     COMPILER_PLATFORM: gmake
     PREMAKE5: $(System.DefaultWorkingDirectory)/dependencies/linux/premake-core/premake5
     PROJECT_OS: linux
-    PREMAKE5_URL: https://github.com/danielga/garrysmod_common/releases/download/premake5/premake-5.0.0-alpha16-linux.tar.gz
+    PREMAKE5_URL: https://github.com/danielga/garrysmod_common/releases/download/premake-build%2F5.0.0-beta1/premake-5.0.0-beta1-linux.tar.gz
     CC: gcc-9
     CXX: g++-9
     AR: gcc-ar-9
@@ -110,7 +110,7 @@ jobs:
     COMPILER_PLATFORM: gmake
     PREMAKE5: $(System.DefaultWorkingDirectory)/dependencies/macosx/premake-core/premake5
     PROJECT_OS: macosx
-    PREMAKE5_URL: https://github.com/danielga/garrysmod_common/releases/download/premake5/premake-5.0.0-alpha16-macosx.tar.gz
+    PREMAKE5_URL: https://github.com/danielga/garrysmod_common/releases/download/premake-build%2F5.0.0-beta1/premake-5.0.0-beta1-macosx.tar.gz
     MACOSX_SDK_URL: https://github.com/phracker/MacOSX-SDKs/releases/download/10.15/MacOSX10.7.sdk.tar.xz
     MACOSX_SDK_DIRECTORY: $(System.DefaultWorkingDirectory)/dependencies/macosx/MacOSX10.7.sdk
     SDKROOT: $(System.DefaultWorkingDirectory)/dependencies/macosx/MacOSX10.7.sdk