ICU-23290 Integrate CLDR 48.1 final1 to ICU maint-78, no data changes

[pedberg-icu]

Integrate CLDR 48.1 final1 to ICU maint-78. There are no data changes; the only change is in tools/cldr/cldr-to-icu/pom.xml, the removal of "-SNAPSHOT" from the CLDR version to reflect its final status.

Checklist

• Required: Issue filed: ICU-23290
• Required: The PR title must be prefixed with a JIRA Issue number. Example: "ICU-NNNNN Fix xyz"
• Required: Each commit message must be prefixed with a JIRA Issue number. Example: "ICU-NNNNN Fix xyz"
• Issue accepted (done by Technical Committee after discussion)
• Tests included, if applicable
• API docs and/or User Guide docs changed or added, if applicable
• Approver: Feel free to merge on my behalf

[markusicu]

rslgtm
@richgillam @mihnita FYI