deps: google-cloud-spanner-bom 6.30.0 (googleapis#967)

suztomo · web-flow · commit f066bed8b486 · 2022-09-16T19:14:13.000Z
RenovateBot didn't create a pull request. So I'm creating one by myself.
diff --git a/java-spanner-jdbc/pom.xml b/java-spanner-jdbc/pom.xml
@@ -62,7 +62,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner-bom</artifactId>
-        <version>6.29.1</version>
+        <version>6.30.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
