Pokladot sdk backport to staging (paritytech#2746)

* Bump to `polkadot-sdk` master `ebe2aad6f0ae576a0e176f38a084fe7579f936dd`

* align with others

* Backport xcm version stuff from `polkadot-sdk`

* Backport Slava's commit from `polkadot-sdk`

* Workspace clippy as `polkadot-sdk` does

* Make submodules use workspace lints

* Add Bridges clippy addons to workspace lints

* Looks like we dont need extra clippy addons anymore?

.gitlab-ci.yml

@@ -100,8 +100,7 @@ clippy-nightly:
   variables:
     RUSTFLAGS:                     "-D warnings"
   script:
-    # clippy currently is raising `derive-partial-eq-without-eq` warning even if `Eq` is actually derived
-    - SKIP_WASM_BUILD=1 cargo +nightly clippy --all-targets -- -A clippy::redundant_closure -A clippy::derive-partial-eq-without-eq -A clippy::or_fun_call
+    - SKIP_WASM_BUILD=1 cargo +nightly clippy --all-targets
 
 fmt:
   stage:                           test