Avoid warning for `wf_tags: javascript` (#6095)
Avoid warning for `wf_tags: javascript` (#6095)

Tags need to be in lowercase, so this is never a typo.

This patch uses negative lookbehind (Node v9+) to avoid the false positive.
agektmr/WebFundamentals,lucab85/WebFundamentals,myakura/WebFundamentals,myakura/WebFundamentals,samdutton/WebFundamentals,samdutton/WebFundamentals,lucab85/WebFundamentals,agektmr/WebFundamentals,agektmr/WebFundamentals,google/WebFundamentals,myakura/WebFundamentals,agektmr/WebFundamentals,google/WebFundamentals,samdutton/WebFundamentals,lucab85/WebFundamentals,lucab85/WebFundamentals,samdutton/WebFundamentals,google/WebFundamentals,google/WebFundamentals,myakura/WebFundamentals