v0.21.9-arabica

What's Changed

• ci: bump golangci-lint by @cristaloleg in #4163
• feat(modp2p): reachability check by @Wondertan in #4164
• deps(go.mod): app bump to mocha by @renaynay in #4167
• chore(deps): Bump golang.org/x/net from 0.35.0 to 0.36.0 by @dependabot in #4169
• perf(header): MsgID func only needs to unmarshal Commit from ExtendedHeader by @renaynay in #4149
• fix(nodebuilder/p2p): fix autonat == nil panic in test by @renaynay in #4170
• deps(go.mod): bump app by @renaynay in #4174

Full Changelog: v0.21.8-arabica...v0.21.9-arabica