Fix badly formatted yaml on Ping docs (#32673)

* Update ping.md

* fix spacing

Author: git-thuerk-done

content/en/network_monitoring/devices/ping.md

@@ -37,7 +37,7 @@ init_config:
   ping:
     enabled: true            # (default false) enable the ping check
     linux:                   # (optional) Linux specific configuration
-    use_raw_socket: true     # (optional, default false) send pings using a raw socket (see step 3 above)
+      use_raw_socket: true   # (optional, default false) send pings using a raw socket (see step 3 above)
 instances:
   - ip_address: '1.2.3.4'
     community_string: 'sample-string'
@@ -63,7 +63,7 @@ instances:
     ping:
       enabled: true            # (default false) enable the ping check
       linux:                   # (optional) Linux specific configuration
-        use_raw_socket: true     # (optional, default false) send pings using a raw socket 
+        use_raw_socket: true   # (optional, default false) send pings using a raw socket 
 
 {{< /highlight >}}
 
@@ -92,7 +92,7 @@ network_devices:
         ping:
           enabled: true            # (default false) enable the ping check
           linux:                   # (optional) Linux specific configuration
-          use_raw_socket: true   # (optional, default false) send pings using a raw socket (see step 3 above)
+            use_raw_socket: true   # (optional, default false) send pings using a raw socket (see step 3 above)
 
 {{< /highlight >}}