Fix various typos (#18219)

Found via `codespell -q 3 -S ./options/locale,./vendor -L ba,pullrequest,pullrequests,readby,te,unknwon`

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

modules/templates/static.go

@@ -28,7 +28,7 @@ var (
 	bodyTemplates    = template.New("")
 )
 
-// GlobalModTime provide a gloabl mod time for embedded asset files
+// GlobalModTime provide a global mod time for embedded asset files
 func GlobalModTime(filename string) time.Time {
 	return timeutil.GetExecutableModTime()
 }