Update misspell to 0.5.1 and add misspellings.csv (#30573)

Misspell 0.5.0 supports passing a csv file to extend the list of
misspellings, so I added some common ones from the codebase. There is at
least one typo in a API response so we need to decided whether to revert
that and then likely remove the dict entry.

services/issue/pull.go

@@ -36,7 +36,7 @@ func getMergeBase(repo *git.Repository, pr *issues_model.PullRequest, baseBranch
 type ReviewRequestNotifier struct {
 	Comment    *issues_model.Comment
 	IsAdd      bool
-	Reviwer    *user_model.User
+	Reviewer   *user_model.User
 	ReviewTeam *org_model.Team
 }
 
@@ -124,9 +124,9 @@ func PullRequestCodeOwnersReview(ctx context.Context, issue *issues_model.Issue,
 				return nil, err
 			}
 			notifiers = append(notifiers, &ReviewRequestNotifier{
-				Comment: comment,
-				IsAdd:   true,
-				Reviwer: u,
+				Comment:  comment,
+				IsAdd:    true,
+				Reviewer: u,
 			})
 		}
 	}