Update Ruby to 3.3

.devcontainer.json

@@ -1,6 +1,6 @@
 {
   "name": "coderetreat.org Dev Container",
-  "image": "mcr.microsoft.com/devcontainers/ruby",
+  "image": "mcr.microsoft.com/devcontainers/ruby:3.3",
   "features": {
     "ghcr.io/devcontainers/features/node:1": {}
   }

Gemfile

@@ -7,7 +7,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "4.2.2"
+gem "jekyll", "4.3.3"
 gem "webrick", "1.8.1"
 
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and

Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
     concurrent-ruby (1.2.3)
@@ -10,31 +10,33 @@ GEM
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
-    ffi (1.15.5)
-    ffi (1.15.5-x64-mingw32)
+    ffi (1.16.3)
     forwardable-extended (2.6.0)
+    google-protobuf (4.26.1)
+      rake (>= 13)
     http_parser.rb (0.8.0)
-    i18n (1.12.0)
+    i18n (1.14.4)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.2)
+    jekyll (4.3.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
       i18n (~> 1.0)
-      jekyll-sass-converter (~> 2.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
       jekyll-watch (~> 2.0)
-      kramdown (~> 2.3)
+      kramdown (~> 2.3, >= 2.3.1)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (~> 0.4.0)
+      mercenary (>= 0.3.6, < 0.5)
       pathutil (~> 0.9)
-      rouge (~> 3.0)
+      rouge (>= 3.0, < 5.0)
       safe_yaml (~> 1.0)
-      terminal-table (~> 2.0)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
     jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
-    jekyll-sass-converter (2.2.0)
-      sassc (> 2.0.1, < 3.0)
+    jekyll-sass-converter (3.0.0)
+      sass-embedded (~> 1.54)
     jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-toc (0.18.0)
@@ -47,35 +49,37 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.4)
-    listen (3.8.0)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    mini_portile2 (2.8.1)
-    nokogiri (1.14.2)
-      mini_portile2 (~> 2.8.0)
+    mini_portile2 (2.8.6)
+    nokogiri (1.16.4)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.7)
-    racc (1.6.2)
+    public_suffix (5.0.5)
+    racc (1.7.3)
+    rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
-    rouge (3.30.0)
+    rexml (3.2.6)
+    rouge (4.2.1)
     safe_yaml (1.0.5)
-    sassc (2.4.0)
-      ffi (~> 1.9)
-    sassc (2.4.0-x64-mingw32)
-      ffi (~> 1.9)
-    terminal-table (2.0.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
+    sass-embedded (1.75.0)
+      google-protobuf (>= 3.25, < 5.0)
+      rake (>= 13.0.0)
+    sass-embedded (1.75.0-x64-mingw32)
+      google-protobuf (>= 3.25, < 5.0)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2024.1)
       tzinfo (>= 1.0.0)
-    unicode-display_width (1.8.0)
+    unicode-display_width (2.5.0)
     wdm (0.1.1)
     webrick (1.8.1)
 
@@ -84,7 +88,7 @@ PLATFORMS
   x64-mingw32
 
 DEPENDENCIES
-  jekyll (= 4.2.2)
+  jekyll (= 4.3.3)
   jekyll-feed (~> 0.12)
   jekyll-seo-tag (~> 2.6)
   jekyll-toc