Bump cocoapods-downloader from 1.5.1 to 1.6.3 (#239)

Author: dependabot[bot]

Gemfile.lock

@@ -45,7 +45,7 @@ GEM
       public_suffix (~> 4.0)
       typhoeus (~> 1.0)
     cocoapods-deintegrate (1.0.5)
-    cocoapods-downloader (1.5.1)
+    cocoapods-downloader (1.6.3)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.1)
@@ -89,6 +89,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   cocoapods