feat: add mac icu support

Author: brianheineman

.github/workflows/build.yml

@@ -299,7 +299,7 @@ jobs:
             --enable-integer-datetimes \
             --enable-option-checking=fatal \
             $([ $major_version -le 16 ] && echo "--enable-thread-safety") \
-            --without-icu \
+            $([ $major_version -ge 14 ] && echo "--with-icu" || echo "--without-icu") \
             --without-ldap \
             --with-libxml \
             --with-libxslt \