Upgrade Node.js runtime from 20 to 24 (#1086)

Node.js 20 actions will be forced to run on Node.js 24 starting
June 2, 2026. Migrate now to avoid the forced upgrade.

- action.yml: node20 → node24
- package.json: esbuild target node20 → node24
- release.yml: nvm lts/gallium (Node 16) → nvm 24

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

Author: civilizeddev

.github/workflows/release.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Build
         shell: bash -l {0}
         run: |
-          nvm use lts/gallium
+          nvm use 24
           npm install
           npm run all
 

action.yml

@@ -41,5 +41,5 @@ outputs:
   cs-version:
     description: 'Version of the installed Coursier'
 runs:
-  using: 'node20'
+  using: 'node24'
   main: 'dist/index.js'

package.json

@@ -9,7 +9,7 @@
     "format": "prettier --write **/*.ts",
     "format-check": "prettier --check **/*.ts",
     "lint": "eslint src/**/*.ts",
-    "package": "esbuild src/main.ts --bundle --platform=node --target=node20 --outfile=dist/index.js --sourcemap",
+    "package": "esbuild src/main.ts --bundle --platform=node --target=node24 --outfile=dist/index.js --sourcemap",
     "all": "npm run build && npm run format-check && npm run lint && npm run package"
   },
   "repository": {