Merge branch 'xupeng-0.3.1' into 'branch-0.3.1'

change ci build time from 20 to 30

See merge request megasearch/milvus!217

Former-commit-id: dfec284657c105034905baa291fcc8a2c6c6248b

ci/jenkinsfile/milvus_build.groovy

 container('milvus-build-env') {
-    timeout(time: 20, unit: 'MINUTES') {
+    timeout(time: 30, unit: 'MINUTES') {
         gitlabCommitStatus(name: 'Build Engine') {
             dir ("milvus_engine") {
                 try {
@@ -17,4 +17,3 @@ container('milvus-build-env') {
         }
     }
 }
-

ci/jenkinsfile/milvus_build_no_ut.groovy

 container('milvus-build-env') {
-    timeout(time: 20, unit: 'MINUTES') {
+    timeout(time: 30, unit: 'MINUTES') {
         gitlabCommitStatus(name: 'Build Engine') {
             dir ("milvus_engine") {
                 try {
@@ -17,4 +17,3 @@ container('milvus-build-env') {
         }
     }
 }
-