Bump rack from 1.6.4 to 1.6.13

dependabot[bot] · web-flow · commit 780cc43e9d0c · 2021-02-06T22:16:32.000Z
Bumps [rack](https://github.com/rack/rack) from 1.6.4 to 1.6.13. - [Release notes](https://github.com/rack/rack/releases) - [Changelog](https://github.com/rack/rack/blob/master/CHANGELOG.md) - [Commits](rack/rack@1.6.4...1.6.13) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     mini_portile2 (2.4.0)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-protection (1.5.3)
       rack
     sinatra (1.4.6)
