fix.sh in checkoff-0.30.0 vs fix.sh in checkoff-0.31.0

@@ -98,10 +98,11 @@
 
 ensure_ruby_build_requirements() {
   ensure_dev_library readline/readline.h readline libreadline-dev
   ensure_dev_library zlib.h zlib zlib1g-dev
   ensure_dev_library openssl/ssl.h openssl libssl-dev
+  ensure_dev_library yaml.h libyaml libyaml-dev
 }
 
 ensure_latest_ruby_build_definitions() {
   ensure_rbenv
 
@@ -186,11 +187,11 @@
   # without needing to have a machine that matches PLATFORM handy to
   # install those platform-specific gems on.'
   #
   # This affects nokogiri, which will try to reinstall itself in
   # Docker builds where it's already installed if this is not run.
-  for platform in x86_64-darwin-21 x86_64-linux
+  for platform in x86_64-darwin-21 x86_64-linux x86_64-linux-musl
   do
     grep "${platform:?}" Gemfile.lock >/dev/null 2>&1 || bundle lock --add-platform "${platform:?}"
   done
 }
 
@@ -282,10 +283,10 @@
 # You can find out which feature versions are still supported / have
 # been release here: https://www.python.org/downloads/
 ensure_python_versions() {
   # You can find out which feature versions are still supported / have
   # been release here: https://www.python.org/downloads/
-  python_versions="$(latest_python_version 3.10)"
+  python_versions="$(latest_python_version 3.11)"
 
   echo "Latest Python versions: ${python_versions}"
 
   ensure_python_build_requirements