[engsys] upgrade dev dependency @sinonjs/fake-timers to ^11.0.0 (Azure#26727)

per https://github.com/sinonjs/fake-timers/blob/main/CHANGELOG.md,
v11.0.0 is a release of 10.2.0. So it should be fine since what we've
been installing with `^10.0.2` is working fine.

Author: jeremymeng

common/config/rush/pnpm-lock.yaml

@@ -136,7 +136,7 @@
     "typescript": "~5.0.0",
     "nock": "^12.0.3",
     "@types/sinonjs__fake-timers": "~8.1.2",
-    "@sinonjs/fake-timers": "^10.0.2"
+    "@sinonjs/fake-timers": "^11.0.0"
   },
   "//sampleConfiguration": {
     "skip": [