deps: update dependency com.google.cloud:google-cloud-conformance-tests to v0.0.12 (#367)

Author: renovate-bot

google-cloud-firestore/pom.xml

@@ -142,7 +142,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-conformance-tests</artifactId>
-      <version>0.0.11</version>
+      <version>0.0.12</version>
       <scope>test</scope>
     </dependency>
     <dependency>