Bump timecop from 0.9.5 to 0.9.8

Bumps [timecop](https://github.com/travisjeffery/timecop) from 0.9.5 to 0.9.8.
- [Changelog](https://github.com/travisjeffery/timecop/blob/master/History.md)
- [Commits](travisjeffery/timecop@v0.9.5...v0.9.8)

---
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

@@ -67,7 +67,7 @@ GEM
     simplecov-html (0.12.3)
     simplecov-lcov (0.8.0)
     simplecov_json_formatter (0.1.4)
-    timecop (0.9.5)
+    timecop (0.9.8)
     unicode-display_width (1.8.0)
 
 PLATFORMS