Update GitHub Action runtime from Node.js 20 to Node.js 24

Node.js 20 actions are deprecated and will be forced to run on Node.js 24
starting June 2nd, 2026. This updates the action runtime, CI workflows,
and @types/node to target Node.js 24.

https://claude.ai/code/session_013Xae2dBgD7JYgPgpS3gFTZ

Author: claude

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: '20.x'
+        node-version: '24.x'
     - run: |
         npm install
         npm run all
@@ -22,7 +22,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: '20.x'
+        node-version: '24.x'
     - uses: ./
       with:
         sqlc-version: '1.18.0'

action.yml

@@ -9,5 +9,5 @@ branding:
   icon: 'terminal'
   color: 'purple'
 runs:
-  using: 'node20'
+  using: 'node24'
   main: 'dist/index.js'