Correct spelling (#36783)

I was testing typos-cli and fixed some misspelled wording here.
All changes are internal — no public API fields, database columns,
locale keys, or migration names are affected.

routers/api/v1/org/team.go

@@ -806,7 +806,7 @@ func SearchTeam(ctx *context.APIContext) {
 		ListOptions: listOptions,
 	}
 
-	// Only admin is allowd to search for all teams
+	// Only admin is allowed to search for all teams
 	if !ctx.Doer.IsAdmin {
 		opts.UserID = ctx.Doer.ID
 	}