Merge branch 'master' into ao-past-session-slashing-runtime

* master: (60 commits)
  Ensure all `StorageVersion`s on Rococo/Westend are correct and migration hooks pass (#7251)
  Try-runtime proper return types (#7146)
  Have OCW mined election once a week on Westend (#7248)
  Bump enumn from 0.1.5 to 0.1.8 (#7226)
  Companion to #14183: FRAME: Allow message ID to be mutated in `ProcessMessage` (#7262)
  Remove TODO comment (#7260)
  Fix build (#7261)
  Update syn (#7258)
  Use Message Queue pallet for UMP dispatch (#6271)
  Freeze chain if there are byzantine threshold + 1 invalid votes against a local candidate (#7225)
  Revert chain if at least f+1 validators voted against a candidate (#7151)
  Ensure all `StorageVersion`s on Polkadot/Kusama are correct (#7199)
  Forgotten pub reexport for `GlobalConsensusParachainConvertsFor` (#7238)
  PVF: Vote invalid on panics in execution thread (after a retry) (#7155)
  PVF: Remove `rayon` and some uses of `tokio` (#7153)
  [xcm] Foreign global consensus parachain LocationToAccountId converter (#7016)
  Update docs (#7230)
  Bump parity-db to 0.4.8 (#7231)
  Merge branch 'master' of https://github.com/paritytech/polkadot (#7224)
  Relax the watermark rule in the runtime (#7188)
  ...

.github/workflows/release-30_publish-draft-release.yml

@@ -40,7 +40,7 @@ jobs:
 
       - name: Build ${{ matrix.runtime }} runtime
         id: srtool_build
-        uses: chevdor/srtool-actions@v0.6.0
+        uses: chevdor/srtool-actions@v0.7.0
         with:
           image: paritytech/srtool
           chain: ${{ matrix.runtime }}

.github/workflows/release-99_bot.yml

@@ -24,7 +24,7 @@ jobs:
           - name: 'Ledger <> Polkadot Coordination'
             room: '!EoIhaKfGPmFOBrNSHT:web3.foundation'
             pre-release: true
-    
+
     runs-on: ubuntu-latest
     steps:
       - name: Send Matrix message to ${{ matrix.channel.name }}

.gitlab-ci.yml

@@ -38,7 +38,7 @@ variables:
   BUILDAH_COMMAND: "buildah --storage-driver overlay2"
   DOCKER_OS: "debian:stretch"
   ARCH: "x86_64"
-  ZOMBIENET_IMAGE: "docker.io/paritytech/zombienet:v1.3.43"
+  ZOMBIENET_IMAGE: "docker.io/paritytech/zombienet:v1.3.50"
 
 default:
   cache: {}

CONTRIBUTING.md

@@ -8,7 +8,7 @@ There are a few basic ground-rules for contributors (including the maintainer(s)
 - **Non-master branches**, prefixed with a short name moniker (e.g. `gav-my-feature`) must be used for ongoing work.
 - **All modifications** must be made in a **pull-request** to solicit feedback from other contributors.
 - A pull-request _must not be merged until CI_ has finished successfully.
-- Contributors should adhere to the [house coding style](https://github.com/paritytech/polkadot/wiki/Style-Guide).
+- Contributors should adhere to the [house coding style](https://github.com/paritytech/substrate/blob/master/docs/STYLE_GUIDE.md).
 
 ### Merging pull requests once CI is successful