fix typo for kernel link (#24)

Author: josibake

_posts/2024-08-29-bitdevs.md

@@ -31,7 +31,7 @@ These rules exist so that BitDevs participants can speak freely within the event
 * Notable PRs
   * ["#30664: CMake - Have Fun Staying Rebased"](https://github.com/bitcoin/bitcoin/pull/30664)
   * ["#48: SV2 over IPC (multiprocess)"](https://github.com/Sjors/bitcoin/pull/48)
-  * ["#30595: Introduce C Header API"](https://github.com/bitcoin/bitcoin/pull/30595)
+  * ["#30595: kernel - Introduce C Header API"](https://github.com/bitcoin/bitcoin/pull/30595)
   * ["#30681: Testnet4 timewarp attack mitigation"](https://github.com/bitcoin/bitcoin/pull/30681)
 * BIPS
   * ["ChillDKG: Distributed Key Generation for FROST"](https://github.com/BlockstreamResearch/bip-frost-dkg)