refactor: Make fsnotify event more readable. (argoproj#11836)

Signed-off-by: yanggang <gang.yang@daocloud.io>

Signed-off-by: yanggang <gang.yang@daocloud.io>
Signed-off-by: schakrad <chakradari.sindhu@gmail.com>

reposerver/gpgwatcher.go

@@ -31,10 +31,10 @@ func StartGPGWatcher(sourcePath string) error {
 				if !ok {
 					return
 				}
-				if event.Op&fsnotify.Create == fsnotify.Create || event.Op&fsnotify.Remove == fsnotify.Remove {
+				if event.Has(fsnotify.Create) || event.Has(fsnotify.Remove) {
 					// In case our watched path is re-created (i.e. during e2e tests), we need to watch again
 					// For more robustness, we retry re-creating the watcher up to maxRecreateRetries
-					if event.Name == sourcePath && event.Op&fsnotify.Remove == fsnotify.Remove {
+					if event.Name == sourcePath && event.Has(fsnotify.Remove) {
 						log.Warnf("Re-creating watcher on %s", sourcePath)
 						attempt := 0
 						for {