chore: fixup bundler deprecation warnings

Dockerfile

@@ -24,7 +24,7 @@ RUN apk update \
   && bundler -v \
   && bundle config build.nokogiri --use-system-libraries \
   && bundle config git.allow_insecure true \
-  && gem update --system 3.5.20 \
+  && gem update --system 3.5.23 \
   && gem install json -v "~>2.7.6" \
   && gem install bigdecimal -v "~>3.1" \
   && gem install racc -v "~>1.8" \

Dockerfile-bundle-base

@@ -20,7 +20,7 @@ RUN apk update \
              ruby-rdoc \
   && bundle config build.nokogiri --use-system-libraries \
   && bundle config git.allow_insecure true \
-  && gem update --system 3.5.20 \
+  && gem update --system 3.5.23 \
   && gem install json \
   && gem install bigdecimal \
   && gem install racc \
@@ -32,4 +32,6 @@ WORKDIR $HOME
 
 ADD pact-cli.gemspec Gemfile Gemfile.lock $HOME/
 ADD lib/pact/cli/version.rb $HOME/lib/pact/cli/version.rb
-RUN bundle install --without test development
+RUN bundle config set without 'test development' \
+    bundle config set deployment 'true' \
+      && bundle install

Dockerfile-node

@@ -33,7 +33,7 @@ RUN apk update \
   && bundle config build.nokogiri --use-system-libraries \
   && bundle config git.allow_insecure true \
   && gem update --system 3.5.20 \
-  && gem install json -v "~>2.3" \
+  && gem install json -v "~>2.7.6" \
   && gem install bigdecimal -v "~>3.1" \
   && gem install racc -v "~>1.8" \
   && gem uninstall rubygems-update \
@@ -52,7 +52,9 @@ ADD pact-cli.gemspec .
 ADD Gemfile .
 ADD Gemfile.lock .
 ADD lib/pact/cli/version.rb ./lib/pact/cli/version.rb
-RUN  bundle install --without test development --deployment true \
+RUN bundle config set without 'test development' \
+    bundle config set deployment 'true' \
+      && bundle install \
       && find /usr/lib/ruby/gems/3.3.0/gems -name Gemfile.lock -maxdepth 2 -delete
 ADD docker/entrypoint.sh $HOME/entrypoint.sh
 ADD bin ./bin