!18 update url

From: @haochenstar
Reviewed-by: @zengwefeng
Signed-off-by: @zengwefeng

bind.spec

@@ -19,9 +19,9 @@ Name:           bind
 Summary:        Domain Name System (DNS) Server (named)
 License:        MPLv2.0
 Version:        9.11.21
-Release:        4
+Release:        5
 Epoch:          32
-Url:            http://www.isc.org/products/BIND/
+Url:            https://www.isc.org/downloads/bind/
 Source0:        https://ftp.isc.org/isc/bind9/9.11.21/bind-%{version}.tar.gz
 Source1:        named.sysconfig
 Source2:        named.logrotate
@@ -1170,6 +1170,12 @@ rm -rf ${RPM_BUILD_ROOT}
 
 
 %changelog
+* Tue Dec 15 2020 xihaochen <xihaochen@huawei.com> - 9.11.21-5
+- Type:requirement
+- ID:NA
+- SUG:NA
+- DESC: update url
+
 * Wed Dec 09 2020 gaihuiying <gaihuiying1@huawei.com> - 9.11.21-4
 - Type:requirement
 - ID:NA