deps: update dependency com.google.api-client:google-api-client-bom to v1.30.9 (#74)

Author: skuruppu

pom.xml

@@ -59,7 +59,7 @@
   <properties>
     <site.installationModule>google-cloud-spanner-jdbc</site.installationModule>
     <grpc.version>1.27.2</grpc.version>
-    <api-client.version>1.30.8</api-client.version>
+    <api-client.version>1.30.9</api-client.version>
     <google.core.version>1.92.5</google.core.version>
     <gax.version>1.54.0</gax.version>
     <http-client-bom.version>1.34.2</http-client-bom.version>