chore(deps): update autovalue.version to v1.7 (#23)

Author: renovate-bot

pom.xml

@@ -153,7 +153,7 @@
         <site.installationModule>google-cloud-bigtable-parent</site.installationModule>
         <project.javadoc.protobufBaseURL>https://googleapis.dev/java/google-api-grpc/latest</project.javadoc.protobufBaseURL>
 
-        <autovalue.version>1.6.6</autovalue.version>
+        <autovalue.version>1.7</autovalue.version>
         <gax.version>1.49.1</gax.version>
         <google.api-common.version>1.8.1</google.api-common.version>
         <google.common-protos.version>1.17.0</google.common-protos.version>