Upgrade typescript to latest

.github/dependabot.yml

@@ -15,39 +15,13 @@ updates:
         update-types:
           - minor
           - patch
-      # Group TypeScript-related packages
-      typescript:
-        patterns:
-          - "typescript"
-          - "@types/*"
-        update-types:
-          - minor
-          - patch
-      # Group webpack and build tools
-      build-tools:
-        patterns:
-          - "webpack*"
-          - "*-loader"
-          - "ts-loader"
-        update-types:
-          - minor
-          - patch
-      # Group testing packages
-      testing:
-        patterns:
-          - "@vscode/test-*"
-          - "mocha"
-          - "glob"
-        update-types:
-          - minor
-          - patch
       # Group ESLint and linting packages
       linting:
         patterns:
           - "eslint"
           - "eslint-*"
           - "@eslint/*"
-          - "@typescript-eslint/*"
+          - "typescript-eslint"
         update-types:
           - minor
           - patch

package.json

@@ -110,7 +110,7 @@
     "process": "^0.11.10",
     "sinon": "^17.0.1",
     "tmp": "^0.2.3",
-    "typescript": "^4.6.3",
+    "typescript": "^5.9.3",
     "typescript-eslint": "^8.33.0",
     "util": "^0.12.4"
   },

tsconfig.json

@@ -10,7 +10,8 @@
     "removeComments": true,
     "lib": ["ES2020"],
     "sourceMap": true,
-    "rootDir": "src"
+    "rootDir": "src",
+    "skipLibCheck": true
   },
   "exclude": ["node_modules", ".vscode-test", "test-fixtures"],
   "include": [