Try to use pvc cache instead of hostpath (#19801)

Signed-off-by: Jenny Li <jing.li@zilliz.com>

Signed-off-by: Jenny Li <jing.li@zilliz.com>

ci/jenkins/pod/rte.yaml

@@ -57,10 +57,13 @@ spec:
     name: docker-graph
   - emptyDir: {}
     name: docker-root
-  - hostPath:
-      path: /tmp/krte/cache
-      type: DirectoryOrCreate
-    name: build-cache
+  - name: build-cache
+    persistentVolumeClaim:
+      claimName: milvus-build-cache
+  # - hostPath:
+  #     path: /tmp/krte/cache
+  #     type: DirectoryOrCreate
+  #   name: build-cache
   - hostPath:
       path: /lib/modules
       type: Directory