faillock: add non-root commands (#14189)

Update faillock.md

pages/linux/faillock.md

@@ -3,6 +3,14 @@
 > Display and modify authentication failure record files.
 > More information: <https://manned.org/faillock>.
 
+- List login failures of the current user:
+
+`faillock`
+
+- Reset the failure records of the current user:
+
+`faillock --reset`
+
 - List login failures of all users:
 
 `sudo faillock`