fix: upgrade ruby gems to latest version

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 gem "licensee", ">= 9.9.0"
-gem "github-linguist"
+gem "github-linguist", ">= 7.12.1"
 gem "commonmarker", "~> 0.21.0"
 gem "RedCloth", "~> 4.3"
 gem "rdoc", "3.6.1"

Gemfile.lock

@@ -2,56 +2,60 @@ GEM
   remote: https://rubygems.org/
   specs:
     RedCloth (4.3.2)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     asciidoctor (2.0.12)
     builder (3.2.4)
-    charlock_holmes (0.7.6)
+    charlock_holmes (0.7.7)
     commonmarker (0.21.0)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.1.7)
     creole (0.5.0)
-    dotenv (2.5.0)
+    dotenv (2.7.6)
     escape_utils (1.2.1)
     expression_parser (0.9.0)
-    faraday (0.15.2)
+    faraday (1.1.0)
       multipart-post (>= 1.2, < 3)
-    github-linguist (6.4.1)
-      charlock_holmes (~> 0.7.6)
+      ruby2_keywords
+    github-linguist (7.12.1)
+      charlock_holmes (~> 0.7.7)
       escape_utils (~> 1.2.0)
-      mime-types (>= 1.19)
+      mini_mime (~> 1.0)
       rugged (>= 0.25.1)
     github-markup (3.0.5)
     htmlentities (4.3.4)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
     idn-ruby (0.1.0)
-    licensee (9.9.4)
+    licensee (9.14.1)
       dotenv (~> 2.0)
-      octokit (~> 4.8.0)
-      rugged (~> 0.24)
-      thor (~> 0.19)
-    mime-types (3.2.2)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2018.0812)
+      octokit (~> 4.17)
+      reverse_markdown (~> 1.0)
+      rugged (>= 0.24, < 2.0)
+      thor (>= 0.19, < 2.0)
+    mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    multipart-post (2.0.0)
+    multipart-post (2.1.1)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
-    octokit (4.8.0)
+    octokit (4.19.0)
+      faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     org-ruby (0.9.12)
       rubypants (~> 0.2)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     rdoc (3.6.1)
+    reverse_markdown (1.4.0)
+      nokogiri
     ruby-enum (0.8.0)
       i18n
+    ruby2_keywords (0.0.2)
     rubypants (0.7.1)
-    rugged (0.27.4)
-    sawyer (0.8.1)
-      addressable (>= 2.3.5, < 2.6)
-      faraday (~> 0.8, < 1.0)
-    thor (0.20.0)
+    rugged (1.1.0)
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
+    thor (1.0.1)
     twitter-text (3.1.0)
       idn-ruby
       unf (~> 0.1.0)
@@ -73,7 +77,7 @@ DEPENDENCIES
   asciidoctor (~> 2.0)
   commonmarker (~> 0.21.0)
   creole (~> 0.5.0)
-  github-linguist
+  github-linguist (>= 7.12.1)
   github-markup (~> 3.0)
   licensee (>= 9.9.0)
   org-ruby (~> 0.9.12)