Tweak Gemfile version pinning

[ci skip]

Gemfile

@@ -4,11 +4,11 @@ gem 'rake'
 gem 'jekyll'
 
 group :default, :jekyll_plugins do
-  gem 'jekyll-scholar', '~> 5'
+  gem 'jekyll-scholar', '~> 5.7'
 end
 
 group :test do
-  gem 'html-proofer', '~> 3'
+  gem 'html-proofer', '~> 3.0'
 end
 
 group :development do

Gemfile.lock

@@ -93,9 +93,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  html-proofer (~> 3)
+  html-proofer (~> 3.0)
   jekyll
-  jekyll-scholar (~> 5)
+  jekyll-scholar (~> 5.7)
   pry
   rake