Bump timecop from 0.9.8 to 0.9.9

Bumps [timecop](https://github.com/travisjeffery/timecop) from 0.9.8 to 0.9.9.
- [Changelog](https://github.com/travisjeffery/timecop/blob/master/History.md)
- [Commits](travisjeffery/timecop@v0.9.8...v0.9.9)

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

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

Gemfile.lock

@@ -651,7 +651,7 @@ GEM
     stringio (3.1.0)
     strscan (3.1.0)
     thor (1.3.1)
-    timecop (0.9.8)
+    timecop (0.9.9)
     timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)