docs: update link to luma (#2762)

Author: 2color

CONTRIBUTING.md

@@ -4,7 +4,7 @@
 
 👉 Please see the [IPFS JavaScript Community contributing guidelines](https://github.com/ipfs/community/blob/master/CONTRIBUTING_JS.md) for how to collaborate and contribute to js-libp2p.
 
-💪 The [core maintainers](https://github.com/libp2p/js-libp2p/blob/main/CODEOWNERS) hang out in #libp2p-implementers in ipfs.io Matrix, FIL Slack, and IPFS Discord. They perform weekly triage of issues and PRs per https://lu.ma/js-libp2p
+💪 The [core maintainers](https://github.com/libp2p/js-libp2p/blob/main/CODEOWNERS) hang out in #libp2p-implementers in ipfs.io Matrix, FIL Slack, and IPFS Discord. They perform weekly triage of issues and PRs per https://lu.ma/libp2p
 
 🤲 Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed in [README.md](https://github.com/libp2p/js-libp2p/blob/main/README.md), without any additional terms or conditions.