deps: update guava to 30.1.1-android (#322)

Author: chingor13

pom.xml

@@ -57,7 +57,7 @@
 
     <grpc.version>1.37.0</grpc.version>
     <gax.version>1.63.0</gax.version>
-    <guava.version>30.1-android</guava.version>
+    <guava.version>30.1.1-android</guava.version>
     <protobuf.version>3.15.8</protobuf.version>
     <google.api-common.version>1.10.1</google.api-common.version>
     <google.common-protos.version>2.1.0</google.common-protos.version>