Bump git from 1.18.0 to 1.19.1

Bumps [git](https://github.com/ruby-git/ruby-git) from 1.18.0 to 1.19.1.
- [Release notes](https://github.com/ruby-git/ruby-git/releases)
- [Changelog](https://github.com/ruby-git/ruby-git/blob/master/CHANGELOG.md)
- [Commits](ruby-git/ruby-git@v1.18.0...v1.19.1)

---
updated-dependencies:
- dependency-name: git
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -11,7 +11,7 @@ GEM
       minitest (>= 5.1)
       mutex_m
       tzinfo (~> 2.0)
-    addressable (2.8.5)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     aws-eventstream (1.2.0)
@@ -51,7 +51,7 @@ GEM
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     getsource (0.2.2)
-    git (1.18.0)
+    git (1.19.1)
       addressable (~> 2.8)
       rchardet (~> 1.8)
     hamster (3.0.0)
@@ -84,7 +84,7 @@ GEM
     partialruby (0.3.0)
       ruby2ruby (~> 2)
       ruby_parser (~> 3)
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     racc (1.7.3)
     rainbow (3.1.1)
     rake (13.1.0)