chore: update Premake5

.github/workflows/build.yml

@@ -14,7 +14,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PREMAKE_VERSION: "5.0.0-beta7"
+  PREMAKE_VERSION: "5.0.0-beta8"
 
 jobs:
   build-windows:

premake5.lua

@@ -107,7 +107,7 @@ if os.getenv("CI") then
 	defines "CI"
 end
 
-flags {"NoIncrementalLink", "NoMinimalRebuild", "MultiProcessorCompile"}
+multiprocessorcompile "On"
 
 filter "configurations:Release"
 	optimize "Size"