chore: use Node.js 24 (Active LTS)

Node.js 24 is the current Active LTS since October 2025.
Node.js 22 has moved to Maintenance LTS.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: amondnet

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
 
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 22
+          node-version: 24
 
       - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
         with:

.nvmrc

@@ -1 +1 @@
-22
+24