CLDR-18396 SBRS48 merge relevant maint/maint-47 fixes to main

[pedberg-icu]

CLDR-18396

• This PR completes the ticket.

Merge relevant fixes from maint/maint-47 back to main; in order:

• a543ab9, CLDR-17837 Fix typos (CLDR-17837 Fix typos #4434), Annemarie Apple, Sat Mar 1 19:16:44 2025 -0800
• 6655d24, CLDR-13589 v47 fix COMMIT_METADATA (CLDR-13589 v47 fix COMMIT_METADATA #4444), Steven R. Loomis, Tue Mar 4 11:31:04 2025 -0800
• 50f3b23, CLDR-18368 Update links to maint-41 in LDML spec (tr35.md) to maint-47 (CLDR-18368 Update links to maint-41 in LDML spec (tr35.md) to maint-47 #4448), Tom Bishop, Tue Mar 4 20:29:02 2025 -0500
• c450f01, CLDR-10397 Fix languageInfo.xml conversion to json (CLDR-10397 Fix languageInfo.xml conversion to json #4216), Arjan Mels, Wed Mar 5 17:45:01 2025 +0100
• ee1217b, CLDR-16565 v47 BRS: add LICENSE and README.md to charts (CLDR-16565 v47 BRS: add LICENSE and README.md to charts #4446), Steven R. Loomis, Wed Mar 5 12:06:05 2025 -0800
• b158137, CLDR-18360 More advance warnings (CLDR-18360 More advance warnings #4456), Mark Davis, Thu Mar 6 19:46:39 2025 -0800
• 5337e64, CLDR-16524 spec v47: change the Revision line to just link to Modifications (CLDR-16524 spec v47: change the Revision line to just link to Modifications #4464), Steven R. Loomis, Fri Mar 7 14:58:55 2025 -0800
• b147870, CLDR-17497 v47 spec: fix broken links (CLDR-17497 v47 spec: fix broken links #4466), Steven R. Loomis, Fri Mar 7 18:51:41 2025 -0800 2 files changed, 6 insertions(+), 4 deletions(-)

Note: This PR should be merged with "Rebase and merge" (temporarily enable in Settings), not the usual "Squash and merge"

ALLOW_MANY_COMMITS=true
DISABLE_JIRA_ISSUE_MATCH=true

[pedberg-icu]

The cloud flare test fails because this PR includes an update to the download page (which Mark made on the maint-47 branch); but I think that is OK.