Tech: Bump typescript and jest (#16354)

* chore: Bump Typescript to 3.4.1

* chore: Bump babel-jest, jest, ts-jest

* fix: Fix tests after typescript upgrade by disabling some typings

* chore: noImplicitAny

* chore: Bump typescript in @grafana/ui

packages/grafana-ui/package.json

@@ -76,7 +76,7 @@
     "rollup-plugin-terser": "^4.0.4",
     "rollup-plugin-typescript2": "^0.19.2",
     "rollup-plugin-visualizer": "^0.9.2",
-    "typescript": "^3.2.2"
+    "typescript": "3.4.1"
   },
   "resolutions": {
     "@types/lodash": "4.14.119"