Upgrade TypeScript to v5 and Node to 24 in CI

TypeScript 4 can't parse newer @sinclair/typebox syntax (a transitive
dependency of jest 30), causing 358 build errors. Upgrading to TypeScript
5 resolves this. Also bumps the CI node-version matrix from 18 to 24
(current active LTS).

Author: dduugg

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node-version: [18]
+        node-version: [24]
 
     runs-on: ${{ matrix.os }}
 

package-lock.json

@@ -77,7 +77,7 @@
     "rimraf": "^3.0.2",
     "ts-jest": "^29.4.6",
     "ts-loader": "^9.3.0",
-    "typescript": "^4.5.2",
+    "typescript": "^5.9.3",
     "webpack": "^5.105.0",
     "webpack-cli": "^4.9.2"
   },