main/icu: version 73+ calendar regression
Introduced in 73 https://unicode-org.atlassian.net/browse/ICU-22424
Was caught via test in php8*
packages calendar_clear_variation1.phpt
(disabled now https://github.com/php/php-src/pull/11518)
Suggestion is apply commit as patch https://github.com/unicode-org/icu/commit/1b15a4e9db345b67ad284b92801f3fd99fe56e69