[Java] add maven repo (#10109)

streaming/java/dependencies.bzl

@@ -27,6 +27,7 @@ def gen_streaming_java_deps():
 	        "org.powermock:powermock-api-mockito:1.6.6",
         ],
         repositories = [
+            "https://repo.spring.io/plugins-release/",
             "https://repo1.maven.org/maven2/",
         ],
     )

streaming/java/pom.xml

@@ -37,6 +37,17 @@
     </repository>
   </distributionManagement>
 
+  <repositories>
+    <repository>
+      <id>spring</id>
+      <url>https://repo.spring.io/plugins-release/</url>
+    </repository>
+    <repository>
+      <id>central</id>
+      <url>https://repo1.maven.org/maven2/</url>
+    </repository>
+  </repositories>
+
   <modules>
     <module>streaming-api</module>
     <module>streaming-runtime</module>