Bump tzinfo-data from 1.2020.1 to 1.2020.2 (#14966)

Bumps [tzinfo-data](https://github.com/tzinfo/tzinfo-data) from 1.2020.1 to 1.2020.2.
- [Release notes](https://github.com/tzinfo/tzinfo-data/releases)
- [Commits](https://github.com/tzinfo/tzinfo-data/compare/v1.2020.1...v1.2020.2

)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -627,7 +627,7 @@ GEM
       unf (~> 0.1.0)
     tzinfo (1.2.7)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2020.1)
+    tzinfo-data (1.2020.2)
       tzinfo (>= 1.0.0)
     unf (0.1.4)
       unf_ext