Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
  Split tests for compatibility with ICU 68.1

diff --cc ext/intl/tests/locale_get_display_language.phpt
Simple merge

diff --cc ext/intl/tests/locale_get_display_name7.phpt
Simple merge

diff --cc ext/intl/tests/rbbiter_getBinaryRules_basic2.phpt
Simple merge

diff --cc ext/intl/tests/rbbiter_getRules_basic2.phpt
Simple merge