[Snyk] Fix for 8 vulnerable dependencies

Gemfile

@@ -1,15 +1,15 @@
 source 'http://rubygems.org'
 
 gem 'celluloid-io'
-gem 'slack-ruby-bot'
+gem 'slack-ruby-bot', '>= 0.9.0'
 gem 'puma'
-gem 'sinatra'
+gem 'sinatra', '>= 2.0.2'
 gem 'dentaku'
 gem 'aws-sdk', '~> 2'
 
 group :development, :test do
   gem 'rake', '~> 10.4'
-  gem 'rubocop', '0.35.1'
+  gem 'rubocop', '0.49.0'
   gem 'foreman'
 end
 

Gemfile.lock

@@ -1,16 +1,14 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (5.0.1)
+    activesupport (5.2.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.5.0)
       public_suffix (~> 2.0, >= 2.0.2)
-    ast (2.3.0)
-    astrolabe (1.3.1)
-      parser (~> 2.2)
+    ast (2.4.0)
     aws-sdk (2.7.0)
       aws-sdk-resources (= 2.7.0)
     aws-sdk-core (2.7.0)
@@ -40,38 +38,41 @@ GEM
       timers (>= 4.1.1)
     celluloid-supervision (0.20.6)
       timers (>= 4.1.1)
-    concurrent-ruby (1.0.4)
+    concurrent-ruby (1.0.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     dentaku (2.0.10)
     diff-lcs (1.3)
-    faraday (0.11.0)
+    faraday (0.15.2)
       multipart-post (>= 1.2, < 3)
-    faraday_middleware (0.11.0)
+    faraday_middleware (0.12.2)
       faraday (>= 0.7.4, < 1.0)
     foreman (0.83.0)
       thor (~> 0.19.1)
-    gli (2.14.0)
+    gli (2.17.1)
     hashdiff (0.3.2)
-    hashie (3.4.6)
+    hashie (3.5.7)
     hitimes (1.2.4)
-    i18n (0.7.0)
+    i18n (1.0.1)
+      concurrent-ruby (~> 1.0)
     jmespath (1.3.1)
-    json (2.0.3)
-    minitest (5.10.1)
+    minitest (5.11.3)
     multipart-post (2.0.0)
+    mustermann (1.0.2)
     nio4r (2.0.0)
-    parser (2.3.3.1)
-      ast (~> 2.2)
-    powerpack (0.1.1)
+    parallel (1.12.1)
+    parser (2.5.1.0)
+      ast (~> 2.4.0)
+    powerpack (0.1.2)
     public_suffix (2.0.5)
     puma (3.6.2)
-    rack (1.6.5)
-    rack-protection (1.5.3)
+    rack (2.0.5)
+    rack-protection (2.0.3)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
-    rainbow (2.2.1)
+    rainbow (2.2.2)
+      rake
     rake (10.5.0)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
@@ -86,46 +87,46 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
-    rubocop (0.35.1)
-      astrolabe (~> 1.3)
-      parser (>= 2.2.3.0, < 3.0)
+    rubocop (0.49.0)
+      parallel (~> 1.10)
+      parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
-      tins (<= 1.6.0)
-    ruby-progressbar (1.8.1)
+      unicode-display_width (~> 1.0, >= 1.0.1)
+    ruby-progressbar (1.9.0)
     safe_yaml (1.0.4)
-    sinatra (1.4.7)
-      rack (~> 1.5)
-      rack-protection (~> 1.4)
-      tilt (>= 1.3, < 3)
-    slack-ruby-bot (0.9.0)
+    sinatra (2.0.3)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.3)
+      tilt (~> 2.0)
+    slack-ruby-bot (0.11.1)
       hashie
       slack-ruby-client (>= 0.6.0)
-    slack-ruby-client (0.7.7)
+    slack-ruby-client (0.11.1)
       activesupport
-      faraday
+      faraday (>= 0.9)
       faraday_middleware
       gli
       hashie
-      json
       websocket-driver
     thor (0.19.4)
-    thread_safe (0.3.5)
-    tilt (2.0.5)
+    thread_safe (0.3.6)
+    tilt (2.0.8)
     timers (4.1.2)
       hitimes
-    tins (1.6.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
+    unicode-display_width (1.4.0)
     vcr (3.0.3)
     webmock (2.3.2)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
-    websocket-driver (0.6.4)
+    websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.3)
 
 PLATFORMS
   ruby
@@ -139,11 +140,11 @@ DEPENDENCIES
   rack-test
   rake (~> 10.4)
   rspec
-  rubocop (= 0.35.1)
-  sinatra
-  slack-ruby-bot
+  rubocop (= 0.49.0)
+  sinatra (>= 2.0.2)
+  slack-ruby-bot (>= 0.9.0)
   vcr
   webmock
 
 BUNDLED WITH
-   1.14.0
+   1.16.1