Update Ruby to 3.4.9, Jekyll to 4.4.1, just-the-docs to 0.12.0; fix hour-of-code HTML issues (#125)

* Initial plan

* chore: Update Jekyll, just-the-docs, and Ruby version

Agent-Logs-Url: https://github.com/Catrobat/catrobat.github.com/sessions/332422e4-a7cb-47db-bb44-7d2c9d088c8e

Co-authored-by: ratschillerp <37396790+ratschillerp@users.noreply.github.com>

* fix: Update Ruby version, gem dependencies, and fix hour-of-code webpage issues

Agent-Logs-Url: https://github.com/Catrobat/catrobat.github.com/sessions/332422e4-a7cb-47db-bb44-7d2c9d088c8e

Co-authored-by: ratschillerp <37396790+ratschillerp@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: ratschillerp <37396790+ratschillerp@users.noreply.github.com>

Author: Copilot

.ruby-version

@@ -1 +1 @@
-3.3.6
+3.4.9

Gemfile.lock

@@ -1,38 +1,43 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
-    bigdecimal (3.1.9)
+    addressable (2.8.9)
+      public_suffix (>= 2.0.2, < 8.0)
+    base64 (0.3.0)
+    bigdecimal (4.1.0)
     colorator (1.1.0)
-    concurrent-ruby (1.3.5)
+    concurrent-ruby (1.3.6)
+    csv (3.3.5)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    ffi (1.17.1-x64-mingw-ucrt)
-    ffi (1.17.1-x86_64-linux-gnu)
+    ffi (1.17.4-x64-mingw-ucrt)
+    ffi (1.17.4-x86_64-linux-gnu)
     forwardable-extended (2.6.0)
-    google-protobuf (4.29.3-x64-mingw-ucrt)
+    google-protobuf (4.34.1-x64-mingw-ucrt)
       bigdecimal
-      rake (>= 13)
-    google-protobuf (4.29.3-x86_64-linux)
+      rake (~> 13.3)
+    google-protobuf (4.34.1-x86_64-linux-gnu)
       bigdecimal
-      rake (>= 13)
-    http_parser.rb (0.8.0)
-    i18n (1.14.6)
+      rake (~> 13.3)
+    http_parser.rb (0.8.1)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    jekyll (4.3.4)
+    jekyll (4.4.1)
       addressable (~> 2.4)
+      base64 (~> 0.2)
       colorator (~> 1.0)
+      csv (~> 3.0)
       em-websocket (~> 0.5)
       i18n (~> 1.0)
       jekyll-sass-converter (>= 2.0, < 4.0)
       jekyll-watch (~> 2.0)
+      json (~> 2.6)
       kramdown (~> 2.3, >= 2.3.1)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (>= 0.3.6, < 0.5)
+      mercenary (~> 0.3, >= 0.3.6)
       pathutil (~> 0.9)
       rouge (>= 3.0, < 5.0)
       safe_yaml (~> 1.0)
@@ -42,44 +47,47 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-redirect-from (0.16.0)
       jekyll (>= 3.3, < 5.0)
-    jekyll-sass-converter (3.0.0)
-      sass-embedded (~> 1.54)
+    jekyll-sass-converter (3.1.0)
+      sass-embedded (~> 1.75)
     jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    just-the-docs (0.10.1)
+    json (2.19.3)
+    just-the-docs (0.12.0)
       jekyll (>= 3.8.5)
       jekyll-include-cache
       jekyll-seo-tag (>= 2.0)
       rake (>= 12.3.1)
-    kramdown (2.5.1)
-      rexml (>= 3.3.9)
+    kramdown (2.5.2)
+      rexml (>= 3.4.4)
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.4)
-    listen (3.9.0)
+    listen (3.10.0)
+      logger
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.7.0)
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (6.0.1)
-    rake (13.2.1)
+    public_suffix (7.0.5)
+    rake (13.3.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.4.0)
-    rouge (4.5.1)
+    rexml (3.4.4)
+    rouge (4.7.0)
     safe_yaml (1.0.5)
-    sass-embedded (1.83.4-x64-mingw-ucrt)
-      google-protobuf (~> 4.29)
-    sass-embedded (1.83.4-x86_64-linux-gnu)
-      google-protobuf (~> 4.29)
+    sass-embedded (1.98.0-x64-mingw-ucrt)
+      google-protobuf (~> 4.31)
+    sass-embedded (1.98.0-x86_64-linux-gnu)
+      google-protobuf (~> 4.31)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.6.0)
-    webrick (1.9.1)
+    webrick (1.9.2)
 
 PLATFORMS
   x64-mingw-ucrt

hour-of-code/index.html

@@ -194,7 +194,7 @@ <h3>Are there any prizes involved?</h3>
             satisfaction of having created something awesome by yourself, for your friends and
             family, as well as for the world at large, is the greatest reward you can give yourself.</p>
 
-          <h3>How can I get in touch with you?</a></h3>
+          <h3>How can I get in touch with you?</h3>
           <p>If you have any further questions, or just want to write to us, please use the Social Media or Contact links at the <a href="#social_media">social media section</a> of this page!</p>
 
 
@@ -205,7 +205,7 @@ <h3>How can I support you?</h3>
 
           <h3>Can I participate together with my friends? Or can I participate with my class?</h3>
           <p>Working together is one of the most important aspects of programming. We encourage you to work together and share ideas in whatever way you like. We are also
-             looking forward to seeing school classes participating in the Heroes of the Univers Game Jam!</p>
+             looking forward to seeing school classes participating in the Heroes of the Universe Game Jam!</p>
 
           <h3>How can I promote this event in my community?</h3>
       <p>You are very welcome to share this website and reshare our social media postings!</p>
@@ -223,7 +223,7 @@ <h3>How can I promote this event in my community?</h3>
     <a href="/imprint/">Imprint &amp; Contact</a> |
     <a href="/privacy_policy/">Privacy</a> |
     <a href="/pages/legal/">Legal</a> |
-    <a target="_blank" href="https://www.catrobat.org/">©&nbsp;2023 Catrobat</a>
+    <a target="_blank" href="https://www.catrobat.org/">©&nbsp;2026 Catrobat</a>
     </div>
 
 	</body>