[stable2506] Backport #9641 (#9651)

Backport #9641 into `stable2506` from serban300.

See the
[documentation](https://github.com/paritytech/polkadot-sdk/blob/master/docs/BACKPORT.md)
on how to use this bot.

<!--
  # To be used by other automation, do not modify:
  original-pr-number: #${pull_number}
-->

---------

Co-authored-by: Serban Iorga <[email protected]>
Co-authored-by: Serban Iorga <[email protected]>

Author: paritytech-release-backport-bot[bot]

cumulus/pallets/xcmp-queue/src/benchmarking.rs

@@ -109,7 +109,7 @@ mod benchmarks {
 
 	/// Add an XCMP message of 0 bytes to the message queue at the provided position
 	/// on an existing page.
-	#[benchmark]
+	#[benchmark(pov_mode = Measured)]
 	fn enqueue_empty_xcmp_message_at(
 		n: Linear<0, { crate::MaxXcmpMessageLenOf::<T>::get() - 10 }>,
 	) {
@@ -180,7 +180,7 @@ mod benchmarks {
 		}
 	}
 
-	#[benchmark]
+	#[benchmark(pov_mode = Measured)]
 	fn enqueue_1000_small_xcmp_messages() {
 		#[cfg(test)]
 		{

prdoc/pr_9641.prdoc

@@ -0,0 +1,10 @@
+title: Account for PoV size when enqueing XCMP message
+doc:
+- audience: Runtime Dev
+  description: |-
+    Related to https://github.com/paritytech/polkadot-sdk/pull/9630 , but adjusting the benchmark
+
+    Using `#[benchmark(pov_mode = Measured)]` for the `enqueue_empty_xcmp_message_at` benchmark.
+crates:
+- name: cumulus-pallet-xcmp-queue
+  bump: patch