Update @sinonjs/fake-timers to match version in @sinonjs/sinon (#209)

`sinon` itself currently uses `fake-timers@10` which leads to the package being
pulled in twice.

Author: boidolr

package-lock.json

@@ -64,7 +64,7 @@
   },
   "dependencies": {
     "@sinonjs/commons": "^2.0.0",
-    "@sinonjs/fake-timers": "^7.0.4",
+    "@sinonjs/fake-timers": "^10.0.2",
     "@sinonjs/text-encoding": "^0.7.1",
     "just-extend": "^4.0.2",
     "path-to-regexp": "^1.7.0"