Bump timecop from 0.9.10 to 0.9.11

Bumps [timecop](https://github.com/travisjeffery/timecop) from 0.9.10 to 0.9.11.
- [Changelog](https://github.com/travisjeffery/timecop/blob/master/History.md)
- [Commits](travisjeffery/timecop@v0.9.10...v0.9.11)

---
updated-dependencies:
- dependency-name: timecop
  dependency-version: 0.9.11
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -548,7 +548,7 @@ GEM
     statsd-ruby (1.5.0)
     stringio (3.2.0)
     thor (1.5.0)
-    timecop (0.9.10)
+    timecop (0.9.11)
     tsort (0.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)