The path of PassPlugin.h does not match to the newly llvm- project

[xys-syx]

llvm/llvm-project#173279
According to this link, now PassPlugin.h is in the path llvm/Plugins/PassPlugin.h (as TODO?)

@wsmoses Hello, do I need to modified and create a pull request for it?

[wsmoses]

yes

[xys-syx]

@wsmoses Hello, could you please give me the authority for commit?