chore(deps-dev): upgrade babel, typescript, & eslint dependencies

package.json

@@ -99,7 +99,7 @@
     "@babel/core": "^7.6.4",
     "@babel/plugin-proposal-class-properties": "^7.5.0",
     "@babel/preset-env": "^7.6.3",
-    "@babel/preset-typescript": "7.6.0",
+    "@babel/preset-typescript": "^7.6.0",
     "@babel/register": "^7.6.0",
     "@istanbuljs/nyc-config-typescript": "^0.1.3",
     "@types/chai": "^4.2.5",
@@ -156,7 +156,7 @@
     "sinon": "^7.5.0",
     "ts-node": "^8.4.1",
     "typedoc": "^0.15.0",
-    "typescript": "3.6.4"
+    "typescript": "^3.6.4"
   },
   "optionalDependencies": {
     "@malept/electron-installer-flatpak": "^0.10.0",