Release v7.22.0 (#5972)

* Update grammars

* Update cached license files

* Version v7.22.0

Author: lildude

Rakefile

@@ -58,7 +58,7 @@ end
 # The error count will need to be adjusted here until such time as all grammars are 100% error free.
 desc "Check that compiling the grammars doesn't introduce any new unexpected errors"
 task :check_grammars do
-  expected_error_count = 26  # This count should only ever go down. If it goes up, there's a new issue that needs to be addressed before updating the grammar.
+  expected_error_count = 27  # This count should only ever go down. If it goes up, there's a new issue that needs to be addressed before updating the grammar.
   rm_rf "linguist-grammars"
   output, status = Open3.capture2e("script/grammar-compiler", "compile", "-o", "linguist-grammars")
   errors_found = output[/The grammar library contains ([0-9]+) errors/, 1].to_i

lib/linguist/VERSION

@@ -1 +1 @@
-7.21.0
+7.22.0