Release v1.3.0: added support for BHK 1_002_000

Docker reference: paritytech/substrate-relay:v1.3.0

Bundled Chain Versions:

Rococo: 1_009_000;
Westend: 1_009_000;
Kusama: 1_001_002;
Polkadot: 1_001_002;
Rococo Bridge Hub: 1_009_000;
Westend Bridge Hub: 1_009_000;
Kusama Bridge Hub: 1_002_000;
Polkadot Bridge Hub: 1_001_000;
Rococo Bulletin: not supported yet;
Polkadot Bulletin: not supported yet.

What's Changed

• polkadot-sdk backport leftovers by @serban300 in #2896
• Remove test dependecies on specific relay clients by @serban300 in #2898
• Backport changes from polkadot-sdk by @serban300 in #2899
• Fix Leftover by @serban300 in #2900
• Fix polkadot-sdk CI failures by @serban300 in #2901
• Bump serde_json from 1.0.114 to 1.0.115 by @dependabot in #2905
• Bump scale-info from 2.11.0 to 2.11.1 by @dependabot in #2903
• Bump tokio from 1.36.0 to 1.37.0 by @dependabot in #2904
• Some relayer improvments by @svyatonik in #2902
• Address migration comments by @serban300 in #2910
• ckb-merkle-mountain-range -> 0.5.2 by @serban300 in #2911
• Backport changes from polakdot-sdk by @serban300 in #2920
• Consume migrated crates from polkadot-sdk by @serban300 in #2921
• Delete the testing folder by @serban300 in #2922
• Bump quote from 1.0.35 to 1.0.36 by @dependabot in #2930
• [dependabot] ignore migrated crates by @serban300 in #2943
• Bump anyhow from 1.0.81 to 1.0.82 by @dependabot in #2926
• Bump subxt from 0.32.1 to 0.35.2 by @dependabot in #2944
• Update CI image by @serban300 in #2951
• Bump async-trait from 0.1.79 to 0.1.80 by @dependabot in #2949
• Bump subxt from 0.35.2 to 0.35.3 by @dependabot in #2948
• Relayer 1.3.0 by @svyatonik in #2959

Full Changelog: v1.2.1...v1.3.0