Add CocoaPods as a development dependency

This should help avoid the dependency resolution issue encountered in #289.

Author: mokagio

Gemfile.lock

@@ -26,6 +26,9 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
+    algoliasearch (1.27.5)
+      httpclient (~> 2.8, >= 2.8.3)
+      json (>= 1.5.1)
     artifactory (3.0.15)
     ast (2.4.2)
     atomos (0.1.3)
@@ -53,6 +56,43 @@ GEM
       cork
       nap
       open4 (~> 1.3)
+    cocoapods (1.10.2)
+      addressable (~> 2.6)
+      claide (>= 1.0.2, < 2.0)
+      cocoapods-core (= 1.10.2)
+      cocoapods-deintegrate (>= 1.0.3, < 2.0)
+      cocoapods-downloader (>= 1.4.0, < 2.0)
+      cocoapods-plugins (>= 1.0.0, < 2.0)
+      cocoapods-search (>= 1.0.0, < 2.0)
+      cocoapods-trunk (>= 1.4.0, < 2.0)
+      cocoapods-try (>= 1.1.0, < 2.0)
+      colored2 (~> 3.1)
+      escape (~> 0.0.4)
+      fourflusher (>= 2.3.0, < 3.0)
+      gh_inspector (~> 1.0)
+      molinillo (~> 0.6.6)
+      nap (~> 1.0)
+      ruby-macho (~> 1.4)
+      xcodeproj (>= 1.19.0, < 2.0)
+    cocoapods-core (1.10.2)
+      activesupport (> 5.0, < 6)
+      addressable (~> 2.6)
+      algoliasearch (~> 1.0)
+      concurrent-ruby (~> 1.1)
+      fuzzy_match (~> 2.0.4)
+      nap (~> 1.0)
+      netrc (~> 0.11)
+      public_suffix
+      typhoeus (~> 1.0)
+    cocoapods-deintegrate (1.0.4)
+    cocoapods-downloader (1.4.0)
+    cocoapods-plugins (1.0.0)
+      nap
+    cocoapods-search (1.0.0)
+    cocoapods-trunk (1.5.0)
+      nap (>= 0.8, < 2.0)
+      netrc (~> 0.11)
+    cocoapods-try (1.2.0)
     codecov (0.5.2)
       simplecov (>= 0.15, < 0.22)
     coderay (1.1.3)
@@ -90,6 +130,9 @@ GEM
       unf (>= 0.0.5, < 1.0.0)
     dotenv (2.7.6)
     emoji_regex (3.2.2)
+    escape (0.0.4)
+    ethon (0.14.0)
+      ffi (>= 1.15.0)
     excon (0.81.0)
     faraday (1.4.2)
       faraday-em_http (~> 1.0)
@@ -150,6 +193,9 @@ GEM
       xcodeproj (>= 1.13.0, < 2.0.0)
       xcpretty (~> 0.3.0)
       xcpretty-travis-formatter (>= 0.0.3)
+    ffi (1.15.3)
+    fourflusher (2.3.1)
+    fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
     git (1.8.1)
       rchardet (~> 1.8)
@@ -215,11 +261,13 @@ GEM
     mini_mime (1.1.0)
     mini_portile2 (2.5.3)
     minitest (5.14.4)
+    molinillo (0.6.6)
     multi_json (1.15.0)
     multipart-post (2.0.0)
     nanaimo (0.3.0)
     nap (1.1.0)
     naturally (2.2.1)
+    netrc (0.11.0)
     no_proxy_fix (0.1.2)
     nokogiri (1.11.7)
       mini_portile2 (~> 2.5.0)
@@ -279,6 +327,7 @@ GEM
     rubocop-rspec (2.3.0)
       rubocop (~> 1.0)
       rubocop-ast (>= 1.1.0)
+    ruby-macho (1.4.0)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.4)
     rubyzip (2.3.0)
@@ -307,6 +356,8 @@ GEM
     tty-screen (0.8.1)
     tty-spinner (0.9.3)
       tty-cursor (~> 0.7)
+    typhoeus (1.4.0)
+      ethon (>= 0.9.0)
     tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uber (0.1.0)
@@ -337,6 +388,7 @@ PLATFORMS
 
 DEPENDENCIES
   bundler (~> 2.0)
+  cocoapods (~> 1.10)
   codecov
   danger (~> 8.0)
   danger-rubocop (~> 0.6)
@@ -353,4 +405,4 @@ DEPENDENCIES
   yard
 
 BUNDLED WITH
-   2.2.16
+   2.2.23

fastlane-plugin-wpmreleasetoolkit.gemspec

@@ -61,4 +61,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'simplecov', '~> 0.16.1'
   spec.add_development_dependency 'fastlane', '~> 2'
   spec.add_development_dependency 'rmagick', '~> 4.1'
+  spec.add_development_dependency 'cocoapods', '~> 1.10'
 end