fix: java/pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMGOOGLEGUAVA-5710356

java/pom.xml

@@ -41,7 +41,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <grpc.version>1.53.0</grpc.version>
+        <grpc.version>1.63.0</grpc.version>
         <protoc.version>3.12.2</protoc.version>
         <protobuf.version>3.25.5</protobuf.version>
         <com.google.cloud.version>1.111.1</com.google.cloud.version>
@@ -67,7 +67,7 @@
         <javax.validation.version>2.0.1.Final</javax.validation.version>
         <google.auth.library.oauth2.http.version>0.21.0</google.auth.library.oauth2.http.version>
         <auto.value.version>1.6.6</auto.value.version>
-        <guava.version>30.1-jre</guava.version>
+        <guava.version>32.0.0-jre</guava.version>
         <reactor.version>3.4.34</reactor.version>
         <netty.version>4.1.101.Final</netty.version>