Squashed 'bridges/' changes from 89a76998..801c99f3

801c99f3 Add Wococo<>Rococo Header Relayer (#925)
21f49051 Remove Westend<>Rococo header sync (#940)
06235f16 do not panic if pallet is not yet initialized (#937)
a13ee0bc Bump Substrate (#939)
f8680cbf jsonrpsee alpha6 (#938)
6163bcbf reonnect to failed client in on-demand relay background task (#936)
14e82bea Do not spawn additional task for on-demand relays (#933)
b1557b88 Relay at least one header for every source chain session (#923)
9420649c Remove deprecated Runtime Header APIs (#932)
9627011e Update README.md (#931)
7b736b9c Truncate output in logs. (#930)
faad06e3 Make sure that relayers have dates in logs. (#927)
07734535 Update dump-logs script. (#928)
c2d56b2e Add pruning to bechmarks & update weights. (#918)
a30c51dc Add properties to Chain Spec (#917)
d691c73e Fix issue with on-demand headers relay not starting (#921)
8ee55c1e Fix image publishing. (#922)
f51fb59d Prefix in relay loops logs (#920)

git-subtree-dir: bridges
git-subtree-split: 801c99f3de0fa4d0b61e4e065fa30817179368ea

.github/workflows/rust.yml

@@ -85,8 +85,8 @@ jobs:
       matrix:
         toolchain:
           - stable
-          #- beta
-          - nightly
+            #- beta
+          - nightly-2021-04-10
     runs-on:                       ubuntu-latest
     env:
       RUST_BACKTRACE:              full