Replace all instances of fmt.Errorf(%v) with fmt.Errorf(%w) (#21551)

Found using
`find . -type f -name '*.go' -print -exec vim {} -c
':%s/fmt\.Errorf(\(.*\)%v\(.*\)err/fmt.Errorf(\1%w\2err/g' -c ':wq' \;`

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/migrations/v200.go

@@ -17,7 +17,7 @@ func addTableAppState(x *xorm.Engine) error {
 		Content  string `xorm:"LONGTEXT"`
 	}
 	if err := x.Sync2(new(AppState)); err != nil {
-		return fmt.Errorf("Sync2: %v", err)
+		return fmt.Errorf("Sync2: %w", err)
 	}
 	return nil
 }