CLDR-18170 BRS v46.1 first pass at release note update

[pedberg-icu]

CLDR-18170

• This PR completes the ticket.

This takes the body text from closed PR #4236, but fixes the heading line.

ALLOW_MANY_COMMITS=true

[pedberg-icu]

The cloudflare error seems to be a config thing:

2024-12-11T17:47:52.2898415Z ##[group]🚀 Running Wrangler Commands
2024-12-11T17:47:52.2911022Z [command]/usr/local/bin/npx wrangler pages deploy ./_site --project-name=cldr
2024-12-11T17:47:53.0407736Z 
2024-12-11T17:47:53.0771820Z �[31m✘ �[41;31m[�[41;97mERROR�[41;31m]�[0m �[1mIn a non-interactive environment, it's necessary to set a CLOUDFLARE_API_TOKEN environment variable for wrangler to work. Please go to https://developers.cloudflare.com/fundamentals/api/get-started/create-token/ for instructions on how to create an api token, and assign its value to CLOUDFLARE_API_TOKEN.�[0m
2024-12-11T17:47:53.0773889Z 
2024-12-11T17:47:53.0773895Z 
2024-12-11T17:47:53.1541785Z 🪵  Logs were written to "/home/runner/.config/.wrangler/logs/wrangler-2024-12-11_17-47-52_866.log"
2024-12-11T17:47:53.2073648Z ##[endgroup]
2024-12-11T17:47:53.2098891Z ##[error]The process '/usr/local/bin/npx' failed with exit code 1
2024-12-11T17:47:53.2107326Z ##[error]🚨 Action failed

@srl295 Any ideas on how to fix this?

[pedberg-icu]

Oops, this was on my own fork, needs to be against branch off main, will redo.