Bump tzinfo from 2.0.4 to 2.0.6

Bumps [tzinfo](https://github.com/tzinfo/tzinfo) from 2.0.4 to 2.0.6.
- [Release notes](https://github.com/tzinfo/tzinfo/releases)
- [Changelog](https://github.com/tzinfo/tzinfo/blob/master/CHANGES.md)
- [Commits](tzinfo/tzinfo@v2.0.4...v2.0.6)

---
updated-dependencies:
- dependency-name: tzinfo
  dependency-version: 2.0.6
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -53,7 +53,7 @@ GEM
       netrc (~> 0.11)
     cocoapods-try (1.2.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.3.6)
     escape (0.0.4)
     ethon (0.14.0)
       ffi (>= 1.15.0)
@@ -76,7 +76,7 @@ GEM
     ruby-macho (2.5.1)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     xcodeproj (1.21.0)
       CFPropertyList (>= 2.3.3, < 4.0)