v2.24.3 Mantle mainnet support

Key Changes

This release adds mainnet support for Mantle. To enable Mantle in mainnet, add the following config parameters:

--mantleRPC YOUR_MANTLE_WEBSOCKET_URL
--mantleContract 0xbebdb6C8ddC678FfA9f8748f85C815C556Dd8ac6

What's Changed

• sdk: adds WormholeRelayer addresses for Scroll and Blast mainnet by @scnale in #3952
• CODEOWNERS: update by @evan-gray in #3957
• proto: sync chains with sdk/vaa/structs.go by @evan-gray in #3955
• CI: run solana action in prebuilt docker image by @kcsongor in #3962
• node: add governor support for Mantle by @johnsaigle in #3958
• CODEOWNERS: update by @evan-gray in #3963
• node,sdk: Mantle mainnet by @evan-gray in #3959

Full Changelog: v2.24.2-wormchaind...v2.24.3