!287 fix the problem that isula-build service did not stop after it was removed

From: @daishitou 
Reviewed-by: @jingxiaolu, @Vanient 
Signed-off-by: @jingxiaolu

VERSION-vendor

@@ -1 +1 @@
-0.9.6-18
+0.9.6-20

git-commit

@@ -1 +1 @@
-37aa4197d30b2780332cd40479f3231a775b212f
+95b999499ce3a99101bab07e03a95e8eaf792288

isula-build.spec

@@ -2,7 +2,7 @@
 
 Name: isula-build
 Version: 0.9.6
-Release: 19
+Release: 20
 Summary: A tool to build container images
 License: Mulan PSL V2
 URL: https://gitee.com/openeuler/isula-build
@@ -75,6 +75,16 @@ if ! getent group isula > /dev/null; then
     groupadd --system isula
 fi
 
+%preun
+%if 0%{?is_systemd}
+%systemd_preun isula-build
+%else
+if [ $1 -eq 0 ] ; then
+    /sbin/service isula-build stop >/dev/null 2>&1
+    /sbin/chkconfig --del isula-build
+fi
+%endif
+
 %files
 # default perm for files and folder
 %defattr(0640,root,root,0550)
@@ -92,6 +102,12 @@ fi
 /usr/share/bash-completion/completions/isula-build
 
 %changelog
+* Tue Dec 26 2023 daisicheng <daisicheng@huawei.com> - 0.9.6-20
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:fix the problem that isula-build service did not stop after it removed
+
 * Wed Mar 15 2023 laokz <zhangkai@iscas.ac.cn> - 0.9.6-19
 - Type:enhancement
 - CVE:NA