Merge branch 'master' into ao-dbg-unresponsiveness

* master: (21 commits)
  cleanup stream polls (#3397)
  Staking Miner (#3141)
  Companion for Substrate#8953 (#3140)
  Bump version, specs & substrate in prep for v0.9.8 (#3387)
  Fix busy loops. (#3392)
  Minor refactor (#3386)
  add simnet tests (#3381)
  BEEFY: adjust gossip (#3372)
  Companion for #9193 (#3376)
  Companion for Decouple Staking and Election - Part 3: Signed Phase (#2793)
  Ensure that we fetch another collation if the first collation was invalid (#3362)
  Only send one collation per relay parent at a time to validators (#3360)
  disable approval-checking-grandpa on dev chain (#3364)
  Use associated constant for max (#3375)
  Use wasm-builder from git (#3354)
  Squashed 'bridges/' changes from b2099c5..23dda62 (#3369)
  Bump versions & spec_versions (#3368)
  Don't allow bids for a ParaId where there is an overlapping lease period (#3361)
  Companion for upgrade of transaction-payment to pallet macro (#3267)
  Do not allow any crowdloan contributions during the VRF period (#3346)
  ...

Cargo.toml

@@ -6,7 +6,7 @@ path = "src/main.rs"
 name = "polkadot"
 description = "Implementation of a https://polkadot.network node in Rust based on the Substrate framework."
 license = "GPL-3.0-only"
-version = "0.9.5"
+version = "0.9.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 readme = "README.md"
@@ -79,6 +79,7 @@ members = [
 	"parachain/test-parachains",
 	"parachain/test-parachains/adder",
 	"parachain/test-parachains/adder/collator",
+	"utils/staking-miner",
 ]
 
 # We want to be able to build the bridge relayer without pulling it (and all of its

bridges/.config/lingua.dic

@@ -12,6 +12,7 @@ args
 aren
 async
 Best/MS
+benchmarking/MS
 BlockId
 BFT/M
 bitfield/MS

bridges/.config/spellcheck.toml

@@ -2,6 +2,8 @@
 lang = "en_US"
 search_dirs = ["."]
 extra_dictionaries = ["lingua.dic"]
+skip_os_lookups = true
+use_builtin = true
 
 [hunspell.quirks]
 # `Type`'s