Bump TypeScript dependency to 4.1.4

Author: yassin-kammoun-sonarsource

package.json

@@ -29,27 +29,27 @@
   "devDependencies": {
     "@types/eslint": "7.2.6",
     "@types/estree": "0.0.46",
-    "@types/jest": "22.2.2",
+    "@types/jest": "26.0.20",
     "@types/lodash": "4.14.106",
     "@types/minimist": "1.2.0",
-    "@types/node": "12.12.6",
-    "@typescript-eslint/experimental-utils": "2.6.1",
-    "@typescript-eslint/parser": "2.6.1",
+    "@types/node": "14.14.25",
+    "@typescript-eslint/experimental-utils": "4.15.0",
+    "@typescript-eslint/parser": "4.15.0",
     "babel-eslint": "8.2.2",
     "eslint": "7.19.0",
     "eslint-config-prettier": "2.9.0",
     "eslint-plugin-import": "2.18.2",
     "eslint-plugin-notice": "0.6.7",
     "eslint-plugin-sonarjs": "0.5.0",
-    "jest": "24.9.0",
+    "jest": "26.6.3",
     "lint-staged": "7.3.0",
     "lodash": "4.17.5",
     "minimist": "1.2.0",
     "prettier": "1.11.1",
     "rimraf": "2.6.2",
-    "ts-jest": "24.1.0",
-    "ts-node": "5.0.1",
-    "typescript": "3.6.4"
+    "ts-jest": "26.5.1",
+    "ts-node": "9.1.1",
+    "typescript": "4.1.4"
   },
   "prettier": {
     "printWidth": 120,

tsconfig.json

@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es5",
+    "target": "es2015",
     "module": "commonjs",
     "lib": ["es2017"],
     "strict": true,