gomod: update grafana/regexp (#814)

The commit seemed to have gone out of sync with upstream. Ran

  go get github.com/grafana/regexp@speedup

Test Plan: CI

Author: keegancsmith

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/gobwas/glob v0.2.3
 	github.com/google/go-cmp v0.5.7
-	github.com/grafana/regexp v0.0.0-20220202152701-6a046c4caf32
+	github.com/grafana/regexp v0.0.0-20220304100321-149c8afcd6cb
 	github.com/hexops/autogold v1.3.0
 	github.com/jig/teereadcloser v0.0.0-20181016160506-953720c48e05
 	github.com/json-iterator/go v1.1.12

go.sum

@@ -168,8 +168,8 @@ github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
 github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/grafana/regexp v0.0.0-20220202152701-6a046c4caf32 h1:M3wP8Hwic62qJsiydSgXtev03d4f92uN1I52nVjRgw0=
-github.com/grafana/regexp v0.0.0-20220202152701-6a046c4caf32/go.mod h1:M5qHK+eWfAv8VR/265dIuEpL3fNfeC21tXXp9itM24A=
+github.com/grafana/regexp v0.0.0-20220304100321-149c8afcd6cb h1:wwzNkyaQwcXCzQuKoWz3lwngetmcyg+EhW0fF5lz73M=
+github.com/grafana/regexp v0.0.0-20220304100321-149c8afcd6cb/go.mod h1:M5qHK+eWfAv8VR/265dIuEpL3fNfeC21tXXp9itM24A=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=