Release v7.22.1 (github-linguist#5988)

v7.22.1

Release v7.22.0 (github-linguist#5972)

* Update grammars

* Update cached license files

* Version v7.22.0

Release v7.21.0 (github-linguist#5934)

* Update all grammars

* Update cached licenses

* Bump version to 7.21.0

Release v7.20.0 (github-linguist#5848)

* Update all grammars

* Update cached licenses

* V7.20.0

Release v7.19.0 (github-linguist#5798)

* Ignore liquid's test files

* Use nodejs 14.x

* Update all grammars

* Update cached licenses

* Version 7.19.0

* Tidy up gemspec

Release 7.18.0 (github-linguist#5686)

* Update all grammars

* Update cached licenses

* Version 7.18.0

Release v7.17.0 (github-linguist#5604)

* Update all grammars

* Update cached licenses

* v7.17.0

Release v7.16.1 (github-linguist#5501)

* Update expected error count

* v7.16.1

Release v7.16.0 (github-linguist#5489)

* Update grammars

* Update cached licenses

* v7.16.0

* Update grammars one last time

* Update cached license

Release v7.15.0 (github-linguist#5389)

* Update grammars

* Update license cache

* Correct scope for protocol buffer

I'm not sure how this was missed when the grammar was changed in github-linguist#5336

* Update grammars

* Cache licenses

* Version v7.15.0