doc: fix incorrect anchoring (#vcbuild.bat -> #vcbuildbat)

PR-URL: https://github.com/nodejs/node/pull/23211


Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>