Bump dev dependencies

Author: OlliV

package.json

@@ -29,14 +29,14 @@
     "test": "jest"
   },
   "devDependencies": {
-    "@types/jest": "24.0.4",
-    "@types/node": "11.9.3",
-    "jest": "24.1.0",
-    "lint-staged": "8.1.3",
+    "@types/jest": "24.0.18",
+    "@types/node": "12.7.5",
+    "jest": "24.9.0",
+    "lint-staged": "9.2.5",
     "pre-commit": "1.2.2",
-    "prettier": "1.16.4",
-    "ts-jest": "24.0.2",
-    "typescript": "3.3.3"
+    "prettier": "1.18.2",
+    "ts-jest": "24.1.0",
+    "typescript": "3.6.3"
   },
   "pre-commit": "lint:staged",
   "lint-staged": {