bump to ruby 3.3 and supported version of jekyll (#58)

.ruby-version

@@ -1 +1 @@
-3.2.2
+3.3.0

Gemfile.lock

@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.1.0)
-    addressable (2.8.5)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     afm (0.2.2)
     ast (2.4.2)
@@ -15,7 +15,7 @@ GEM
       rubocop (~> 1.0)
     coderay (1.1.3)
     colorator (1.1.0)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     console (1.21.0)
       fiber-annotation
       fiber-local
@@ -25,12 +25,14 @@ GEM
     ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    ffi (1.15.5)
+    ffi (1.16.3)
     fiber-annotation (0.2.0)
     fiber-local (1.0.0)
     forwardable-extended (2.6.0)
-    google-protobuf (3.22.2-arm64-darwin)
-    google-protobuf (3.22.2-x86_64-linux)
+    google-protobuf (4.26.0-arm64-darwin)
+      rake (>= 13)
+    google-protobuf (4.26.0-x86_64-linux)
+      rake (>= 13)
     hashery (2.1.2)
     html-proofer (5.0.8)
       addressable (~> 2.3)
@@ -42,10 +44,10 @@ GEM
       yell (~> 2.0)
       zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
-    i18n (1.12.0)
+    i18n (1.14.4)
       concurrent-ruby (~> 1.0)
     io-event (1.2.3)
-    jekyll (4.3.2)
+    jekyll (4.3.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -80,7 +82,7 @@ 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)
@@ -104,7 +106,7 @@ GEM
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     racc (1.7.3)
     rainbow (3.1.1)
     rake (13.1.0)
@@ -113,7 +115,7 @@ GEM
       ffi (~> 1.0)
     regexp_parser (2.8.2)
     rexml (3.2.6)
-    rouge (4.1.0)
+    rouge (4.2.1)
     rubocop (1.45.1)
       json (~> 2.3)
       parallel (~> 1.10)
@@ -137,10 +139,10 @@ GEM
     ruby-progressbar (1.13.0)
     ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
-    sass-embedded (1.60.0-arm64-darwin)
-      google-protobuf (~> 3.21)
-    sass-embedded (1.60.0-x86_64-linux-gnu)
-      google-protobuf (~> 3.21)
+    sass-embedded (1.72.0-arm64-darwin)
+      google-protobuf (>= 3.25, < 5.0)
+    sass-embedded (1.72.0-x86_64-linux-gnu)
+      google-protobuf (>= 3.25, < 5.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     timers (4.3.5)
@@ -181,4 +183,4 @@ DEPENDENCIES
   webrick
 
 BUNDLED WITH
-   2.4.10
+   2.5.7