Merge pull request #42187 from KentaTada/fix-seccomp-kernel-config

check-config.sh: add SECCOMP_FILTER

contrib/check-config.sh

@@ -226,6 +226,7 @@ echo 'Optional Features:'
 }
 {
 	check_flags SECCOMP
+	check_flags SECCOMP_FILTER
 }
 {
 	check_flags CGROUP_PIDS