ci update

Rakefile

@@ -11,12 +11,12 @@ end
 
 desc 'Preview site'
 task watch: :clean do
-  sh 'jekyll serve --watch'
+  sh 'bundle exec jekyll serve --watch'
 end
 
 desc 'Build site'
 task build: :clean do
-  sh 'jekyll build'
+  sh 'bundle exec jekyll build'
 end
 
 desc 'Run HTMLProofer on _site'
@@ -25,8 +25,9 @@ task check: :build do
     check_html: true,
     allow_hash_href: true,
     assume_extension: true,
+    http_status_ignore: [403],
     typhoeus: {
-      headers: { "User-Agent": 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0' }
+      headers: { "User-Agent": 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:87.0) Gecko/20100101 Firefox/87.0' }
     }
   }
   HTMLProofer.check_directory('./_site', options).run