build: pass a tuple of alternatives to str.endswith()

https://docs.python.org/3/library/stdtypes.html#str.endswith

One function call should be faster than three function calls per file.

PR-URL: https://github.com/nodejs/node/pull/40017


Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Darshan Sen <raisinten@gmail.com>