Update health-check inbound filter documentation. (#7309)

Author: RaduW

src/docs/product/data-management-settings/filtering/index.mdx

@@ -25,6 +25,7 @@ Inbound filters include:
 - By their error message
 - From specific release versions of your code
 - From certain IP addresses
+- Transactions coming from healthcheck and ping requests
 
 <Alert title="Note" level="warning">
 

src/docs/product/performance/performance-at-scale/index.mdx

@@ -59,6 +59,7 @@ _Health check_ type transactions, while important for checking the stability of
 - `*heartbeat*`
 - `*/health`
 - `*/healthz`
+- `*/ping`
 
 ### Low Volume Projects