tools: add .mjs linting for Windows
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
tools, modules
Sync Windows linting with https://github.com/nodejs/node/blob/05e702d9f16f6808e83f6a47cfa4294dea3f7343/Makefile#L1104
This seems to be slipped in https://github.com/nodejs/node/commit/c8a389e19f172edbada83f59944cad7cc802d9d5