test(deps): update dependency com.google.cloud:google-cloud-conformance-tests to v0.3.1 (#1486)

Author: renovate-bot

pom.xml

@@ -126,7 +126,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-conformance-tests</artifactId>
-        <version>0.3.0</version>
+        <version>0.3.1</version>
         <scope>test</scope>
         <exclusions>
           <exclusion>