update typescript and tslib

Author: nikithauc

package-lock.json

@@ -13,7 +13,7 @@
 	"types": "./lib/src/index.d.ts",
 	"dependencies": {
 		"@babel/runtime": "^7.4.4",
-		"tslib": "^1.9.3"
+		"tslib": "^1.14.1"
 	},
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
@@ -36,7 +36,7 @@
 		"rollup-plugin-terser": "^5.0.0",
 		"tslint": "^5.16.0",
 		"tslint-config-prettier": "^1.18.0",
-		"typescript": "^3.4.5",
+		"typescript": "^4.1.3",
 		"uglify-es": "^3.3.9"
 	},
 	"scripts": {