With CONFIG_PHP8_GETTEXT php8 always gains a
dependency on a version of the 'icu' package,
however said dependency is not declared, so
on gets compilation errors when
CONFIG_PHP8_GETTEXT=y but PACKAGE_icu is not
selected.
Therefore select PACKAGE_icu when PHP8_GETTEXT is
selected.
Closes#28207
Signed-off-by: Daniel F. Dickinson <dfdpublic@wildtechgarden.ca>
996046e642