Updating ruby version.

.github/workflows/jekyll.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Ruby
-        uses: ruby/setup-ruby@55283cc23133118229fd3f97f9336ee23a179fcf # v1.146.0
+        uses: ruby/setup-ruby@v1
         with:
           # ruby-version: '3.1' # Not needed with a .ruby-version file
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically

.ruby-version

@@ -1 +1 @@
-3.2.3
+3.3.3

tools/docker-tools/README.md

@@ -18,8 +18,9 @@ VOLUME="sean-parent.github.io"
 
 # Specify the ruby version to match the latest stable - https://www.ruby-lang.org/en/downloads/
 # May have to downgrade to match the version available with latest ubuntu in github actions.
+# See https://github.com/actions/runner-images and https://github.com/ruby/setup-ruby
 
-RUBY_VERSION="3.2.3"
+RUBY_VERSION="3.3.3"
 echo $RUBY_VERSION > ./.ruby-version
 
 # build the base image, no-cache is used so the latest tools are installed
@@ -38,7 +39,9 @@ cd /mnt/host
 git config --global --add safe.directory /mnt/host
 ./tools/docs/update.sh --lock
 exit
+```
 
+```zsh
 # build the final image
 docker build --build-arg RUBY_VERSION=$RUBY_VERSION \
   --file ./tools/docker-tools/Dockerfile --target full --tag $VOLUME .