[7.3.0] chore: Ignore shellcheck error in copy-paste code (#22678)

This piece of code is supposed to be copy-pasted literally, so it is
better to already configure shellcheck ignore to help users who apply
shellcheck to their scripts.

Closes #22530.

PiperOrigin-RevId: 641178789
Change-Id: I4ea3629f57e66996fca5768cea73497cda29eb16

Commit
https://github.com/bazelbuild/bazel/commit/b75ad88d82c1736016a171fe16216f63a1a3faff



Co-authored-by: Honnix <honnix@users.noreply.github.com>