Update ruby version.

.github/workflows/pages-deploy.yml

@@ -56,7 +56,7 @@ jobs:
 
       - name: Test site
         run: |
-          bundle exec htmlproofer _site --file-ignore /lean/ --disable-external --check-html --allow_hash_href
+          bundle exec htmlproofer _site --disable-external --allow_hash_href
 
       - name: Upload site artifact
         uses: actions/upload-pages-artifact@v1

Gemfile

@@ -3,10 +3,7 @@
 source "https://rubygems.org"
 
 gem "jekyll-theme-chirpy", "6.2.3"
-gem "jekyll-redirect-from", "0.16.0"
 
 group :test do
-  gem "html-proofer", "~> 3.18"
+  gem "html-proofer", "~> 5.0.8"
 end
-
-gem "webrick", "1.8.1"

Gemfile.lock

@@ -1,10 +1,20 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    Ascii85 (1.1.0)
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
+    afm (0.2.2)
+    async (2.6.5)
+      console (~> 1.10)
+      fiber-annotation
+      io-event (~> 1.1)
+      timers (~> 4.1)
     colorator (1.1.0)
     concurrent-ruby (1.2.2)
+    console (1.23.3)
+      fiber-annotation
+      fiber-local
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -12,19 +22,24 @@ GEM
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     ffi (1.15.5)
+    fiber-annotation (0.2.0)
+    fiber-local (1.0.0)
     forwardable-extended (2.6.0)
     google-protobuf (3.22.3)
-    html-proofer (3.19.4)
+    hashery (2.1.2)
+    html-proofer (5.0.8)
       addressable (~> 2.3)
-      mercenary (~> 0.3)
+      async (~> 2.1)
       nokogiri (~> 1.13)
-      parallel (~> 1.10)
+      pdf-reader (~> 2.11)
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
+      zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
     i18n (1.13.0)
       concurrent-ruby (~> 1.0)
+    io-event (1.3.3)
     jekyll (4.3.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -73,15 +88,20 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    mini_portile2 (2.8.1)
+    mini_portile2 (2.8.5)
-    nokogiri (1.14.3)
+    nokogiri (1.15.5)
-      mini_portile2 (~> 2.8.0)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    parallel (1.23.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
+    pdf-reader (2.11.0)
+      Ascii85 (~> 1.0)
+      afm (~> 0.2.1)
+      hashery (~> 2.0)
+      ruby-rc4
+      ttfunk
     public_suffix (5.0.1)
-    racc (1.6.2)
+    racc (1.7.3)
     rainbow (3.1.1)
     rake (13.0.6)
     rb-fsevent (0.11.2)
@@ -89,26 +109,28 @@ GEM
       ffi (~> 1.0)
     rexml (3.2.5)
     rouge (4.1.0)
+    ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
     sass-embedded (1.62.1)
       google-protobuf (~> 3.21)
       rake (>= 10.0.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    typhoeus (1.4.0)
+    timers (4.3.5)
+    ttfunk (1.7.0)
+    typhoeus (1.4.1)
       ethon (>= 0.9.0)
     unicode-display_width (2.4.2)
     webrick (1.8.1)
     yell (2.2.2)
+    zeitwerk (2.6.12)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  html-proofer (~> 3.18)
+  html-proofer (~> 5.0.8)
-  jekyll-redirect-from (= 0.16.0)
   jekyll-theme-chirpy (= 6.2.3)
-  webrick (= 1.8.1)
 
 BUNDLED WITH
    2.4.10

README.md

@@ -17,10 +17,8 @@ rvm is a function
 Afterward, run the following sequence of commands:
 
 ```bash
-> rvm install 2.7.8
+> rvm install 3.2.2
-> rvm use 2.7.8
+> rvm use 3.2.2
-> gem install bundler:2.4.10
+> gem install bundler:2.4.22
 > bundle install
-> gem install jekyll
-> jekyll serve --watch
 ```