Add multi-year support for End of Year/Playback

[bjtitus]

📘 Part of: #2250

Part of #2305

This refactors EndOfYear to include support for multiple years.

The intent is that this PR changes nothing with regards to the previous end of year projects. 2024 support will be in a separate PR due to line count.

To test

Note

You will need to have sufficient listening history. Ping me if you want a database to import to speed that up.

• Enable endOfYear feature flag
• Tap the Reset modal/profile badge option in Developer menu
• Restart the app
• Navigate to Profile and ensure "Your Year in Podcasts" 2023 banner is showing
• Tap the banner and ensure Stories load and you can tap through them

Checklist

• I have considered if this change warrants user-facing release notes and have added them to CHANGELOG.md if necessary.
• I have considered adding unit tests for my changes.
• I have updated (or requested that someone edit) the spreadsheet to reflect any new or changed analytics.

[dangermattic]

	2 Warnings
⚠️	View files have been modified, but no screenshot or video is included in the pull request. Consider adding some for clarity.
⚠️	This PR is larger than 500 lines of changes. Please consider splitting it into smaller PRs for easier and faster reviews.

Generated by 🚫 Danger

[bjtitus]

Sorry for the large line count on this. There was a lot of code moved to different files for better organization and lots of boilerplate I wanted to parameterize.