test(deps): bump testbench image version to v0.15.0 (googleapis#1300)

BenWhitehead · web-flow · commit 27a1de05b55b · 2022-03-18T14:42:14.000-04:00
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/TestBench.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/TestBench.java
@@ -337,7 +337,7 @@ public static final class Builder {
     private static final String DEFAULT_BASE_URI = "http://localhost:9000";
     private static final String DEFAULT_IMAGE_NAME =
         "gcr.io/cloud-devrel-public-resources/storage-testbench";
-    private static final String DEFAULT_IMAGE_TAG = "v0.11.0";
+    private static final String DEFAULT_IMAGE_TAG = "v0.15.0";
     private static final String DEFAULT_CONTAINER_NAME = "default";
 
     private boolean ignorePullError;
