Updatify / Fastlane | Release notes

[!IMPORTANT]
fastlane will begin warning if you are using a Ruby version we will no longer support in future.

• [core] build: move to modern plist for Ruby 3.4 frozen strings (#29851) via Connor Tumbleson (@iBotPeaches)
• [ci] always record latest_fl_version during part 2 release (#29866) via Connor Tumbleson (@iBotPeaches)
• [core] add support for stdgem changes in Ruby 4 (#29869) via Connor Tumbleson (@iBotPeaches)