Loosen version requirements and update gems

.docker/entrypoint/Gemfile

@@ -16,10 +16,10 @@ end
 gem 'concurrent-ruby'
 gem 'docopt'
 # Neccessary to prevent Jekyll errors. See https://github.com/github/personal-website/issues/166
-gem 'faraday', '~> 1.0.1'
+gem 'faraday', '> 1.0'
 gem 'html-proofer'
 gem 'html-proofer-unrendered-markdown'
-gem 'rake', '~> 13.0'
+gem 'rake'
 
 group :development, :test do
   gem 'diffy'

.docker/entrypoint/Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.3.3)
+    activesupport (6.0.3.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -10,7 +10,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.1)
-    codecov (0.2.11)
+    codecov (0.2.12)
       json
       simplecov
     colorator (1.1.0)
@@ -19,14 +19,15 @@ GEM
     diffy (3.4.0)
     docile (1.3.2)
     docopt (0.6.1)
-    em-websocket (0.5.1)
+    em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     ethon (0.12.0)
       ffi (>= 1.3.0)
     eventmachine (1.2.7)
-    faraday (1.0.1)
+    faraday (1.1.0)
       multipart-post (>= 1.2, < 3)
+      ruby2_keywords
     fastimage (1.8.1)
       addressable (~> 2.3, >= 2.3.5)
     ffi (1.13.1)
@@ -94,7 +95,9 @@ GEM
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    kramdown-plantuml (1.0.4)
+    kramdown-plantuml (1.0.5)
+      kramdown (~> 2.3)
+      open3 (~> 0.1)
     liquid (4.0.3)
     listen (3.2.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
@@ -109,11 +112,12 @@ GEM
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.2)
       nokogiri (~> 1.8, >= 1.8.4)
-    octokit (4.18.0)
+    octokit (4.19.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
+    open3 (0.1.0)
     parallel (1.19.2)
-    parser (2.7.1.4)
+    parser (2.7.2.0)
       ast (~> 2.4.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
@@ -124,14 +128,14 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    regexp_parser (1.7.1)
+    regexp_parser (1.8.2)
     rexml (3.2.4)
-    rouge (3.23.0)
+    rouge (3.24.0)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
       rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.2)
+    rspec-core (3.9.3)
       rspec-support (~> 3.9.3)
     rspec-expectations (3.9.2)
       diff-lcs (>= 1.2.0, < 2.0)
@@ -140,18 +144,19 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.3)
-    rubocop (0.91.0)
+    rubocop (1.0.0)
       parallel (~> 1.10)
-      parser (>= 2.7.1.1)
+      parser (>= 2.7.1.5)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.7)
+      regexp_parser (>= 1.8)
       rexml
-      rubocop-ast (>= 0.4.0, < 1.0)
+      rubocop-ast (>= 0.6.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.4.0)
-      parser (>= 2.7.1.4)
+    rubocop-ast (1.0.0)
+      parser (>= 2.7.1.5)
     ruby-progressbar (1.10.1)
+    ruby2_keywords (0.0.2)
     rubyzip (2.3.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -167,7 +172,7 @@ GEM
     simplecov (0.19.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
-    simplecov-html (0.12.2)
+    simplecov-html (0.12.3)
     sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
@@ -198,7 +203,7 @@ DEPENDENCIES
   concurrent-ruby
   diffy
   docopt
-  faraday (~> 1.0.1)
+  faraday (> 1.0)
   html-proofer
   html-proofer-unrendered-markdown
   jekyll (~> 4.1.1)
@@ -208,7 +213,7 @@ DEPENDENCIES
   jekyll-remote-theme
   jemoji
   kramdown-plantuml
-  rake (~> 13.0)
+  rake
   rouge
   rspec
   rubocop