BridgeHubRococo/Wococo nits + updated subtree (#2572)

* Nits (merge before separatelly)

* Small cosmetics for Rococo/Wococo bridge local run

* Squashed 'bridges/' changes from 04b3dda6aa..5fc377ab34

5fc377ab34 Support for kusama-polkadot relaying (#2128)
01f4b7f1ba Fix clippy warnings (#2127)
696ff1c368 BHK/P alignments (#2115)
2a66aa3248 Small fixes (#2126)
7810f1a988 Cosmetics (#2124)
daf250f69c Remove some `expect()` statements (#2123)
1c5fba8274 temporarily remove balance guard (#2121)
3d0e547361 Propagate message receival confirmation errors (#2116)
1c33143f07 Propagate message verification errors (#2114)
b075b00910 Bump time from 0.3.20 to 0.3.21
51a3a51618 Bump serde from 1.0.160 to 1.0.162
da88d044a6 Bump clap from 4.2.5 to 4.2.7
cdca322cd6 Bump sysinfo from 0.28.4 to 0.29.0

git-subtree-dir: bridges
git-subtree-split: 5fc377ab34f7dfd3293099c5feec49255e827812

* Fix

* Allow to change storage constants (DeliveryReward, RequiredStakeForStakeAndSlash) + tests

* Clippy

* New SA for RO/WO

* Squashed 'bridges/' changes from 5fc377ab34..0f6091d481

0f6091d481 Bump polkadot/substrate (#2134)
9233f0a337 Bump tokio from 1.28.0 to 1.28.1
a29c1caa93 Bump serde from 1.0.162 to 1.0.163

git-subtree-dir: bridges
git-subtree-split: 0f6091d48184ebb4f75cb3089befa6b92cf37335

cumulus/parachains/runtimes/bridge-hubs/README.md

@@ -1,8 +1,8 @@
 - [Bridge-hub Parachains](#bridge-hub-parachains)
-	* [How to test locally Rococo <-> Wococo](#how-to-test-locally-rococo-----wococo)
-		+ [Prepare/Build/Deploy](#prepare-build-deploy)
+	* [Requirements for local run/testing](#requirements-for-local-run-testing)
+	* [How to test locally Rococo <-> Wococo bridge](#how-to-test-locally-rococo-----wococo-bridge)
 		+ [Run chains (Rococo + BridgeHub, Wococo + BridgeHub) with zombienet](#run-chains--rococo---bridgehub--wococo---bridgehub--with-zombienet)
-		+ [Run relayers (Rococo, Wococo)](#run-relayers--rococo--wococo-)
+		+ [Run relayer (BridgeHubRococo, BridgeHubWococo)](#run-relayer--bridgehubrococo--bridgehubwococo-)
 			- [Run with script (alternative 1)](#run-with-script--alternative-1-)
 			- [Run with binary (alternative 2)](#run-with-binary--alternative-2-)
 		+ [Send messages](#send-messages)
@@ -29,9 +29,8 @@ The current trustless bridges planned for the BridgeHub(s) are:
 
 ![](./docs/bridge-hub-parachain-design.jpg "Basic deployment setup")
 
-## How to test locally Rococo <-> Wococo
+## Requirements for local run/testing
 
-### Prepare/Build/Deploy
 ```
 # Prepare empty directory for testing
 mkdir -p ~/local_bridge_testing/bin
@@ -44,7 +43,13 @@ Copy the apropriate binary (zombienet-linux) from the latest release to ~/local_
 # 2. Build polkadot binary
 git clone https://github.com/paritytech/polkadot.git
 cd polkadot
-cargo build --release
+
+# if you want to test Kusama/Polkadot bridge, we need "sudo pallet + fast-runtime",
+# so please, find the latest polkadot's repository branch `it/release-vX.Y.Z-fast-sudo`
+# e.g:
+# git checkout -b it/release-v0.9.42-fast-sudo --track origin/it/release-v0.9.42-fast-sudo
+
+cargo build --release --features fast-runtime
 cp target/release/polkadot ~/local_bridge_testing/bin/polkadot
 
 # 3. Build cumulus polkadot-parachain binary
@@ -69,6 +74,8 @@ cargo build --release --locked -p polkadot-parachain-bin
 cp target/release/polkadot-parachain ~/local_bridge_testing/bin/polkadot-parachain-mint
 ```
 
+## How to test locally Rococo <-> Wococo bridge
+
 ### Run chains (Rococo + BridgeHub, Wococo + BridgeHub) with zombienet
 
 ```
@@ -87,7 +94,7 @@ POLKADOT_PARACHAIN_BINARY_PATH_FOR_WOCKMINT=~/local_bridge_testing/bin/polkadot-
 	~/local_bridge_testing/bin/zombienet-linux --provider native spawn ./zombienet/bridge-hubs/bridge_hub_wococo_local_network.toml
 ```
 
-### Run relayers (Rococo, Wococo)
+### Run relayer (BridgeHubRococo, BridgeHubWococo)
 
 **Accounts of BridgeHub parachains:**
 - `Bob` is pallet owner of all bridge pallets