Bump tzinfo from 1.2.7 to 1.2.10

Bumps [tzinfo](https://github.com/tzinfo/tzinfo) from 1.2.7 to 1.2.10.
- [Release notes](https://github.com/tzinfo/tzinfo/releases)
- [Changelog](https://github.com/tzinfo/tzinfo/blob/master/CHANGES.md)
- [Commits](tzinfo/tzinfo@v1.2.7...v1.2.10)

---
updated-dependencies:
- dependency-name: tzinfo
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -399,7 +399,7 @@ GEM
     timecop (0.9.1)
     tool (0.2.3)
     travis-rollout (0.0.2)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.0.15)
     unf (0.1.4)