Merge branch 'dcouture-regexp_parser-update' into 'master'

Bump regexp_parser version to 2.2.1

See merge request gitlab-org/gitlab!80544

Gemfile.lock

@@ -1028,7 +1028,7 @@ GEM
       redis-store (>= 1.2, < 2)
     redis-store (1.9.0)
       redis (>= 4, < 5)
-    regexp_parser (2.1.1)
+    regexp_parser (2.2.1)
     regexp_property_values (1.0.0)
     representable (3.0.4)
       declarative (< 0.1.0)