deps: update dependency com.google.cloud:google-cloud-conformance-tests to v0.0.12 (googleapis#415)

Author: renovate-bot

pom.xml

@@ -162,7 +162,7 @@
  <dependency>
  <groupId>com.google.cloud</groupId>
  <artifactId>google-cloud-conformance-tests</artifactId>
- <version>0.0.11</version>
+ <version>0.0.12</version>
  <exclusions>
  <!--
  * The protos for bigtable are already included in the classpath