Merge pull request #66940 from dims/fix-some-test-image-version-and-arch

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Fix some test images - update version and arch

- gb-frontend and gb-redisslave are now *REALLY* multi-arch manifest
lists.
- Fix bad merge from #66066 for AdmissionWebhook

Change-Id: I0995394d638ab00b0d1d30ad7099351b806dfd9d



**What this PR does / why we need it**:

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

test/utils/image/manifest.go

@@ -48,7 +48,7 @@ func (i *ImageConfig) SetVersion(version string) {
 }
 
 var (
-	AdmissionWebhook         = ImageConfig{e2eRegistry, "webhook", "1.12v1", true}
+	AdmissionWebhook         = ImageConfig{e2eRegistry, "webhook", "1.12v1", false}
 	APIServer                = ImageConfig{e2eRegistry, "sample-apiserver", "1.0", false}
 	AppArmorLoader           = ImageConfig{gcRegistry, "apparmor-loader", "0.1", false}
 	BusyBox                  = ImageConfig{gcRegistry, "busybox", "1.24", false}
@@ -58,8 +58,8 @@ var (
 	EchoServer               = ImageConfig{gcRegistry, "echoserver", "1.10", false}
 	EntrypointTester         = ImageConfig{e2eRegistry, "entrypoint-tester", "1.0", false}
 	Fakegitserver            = ImageConfig{e2eRegistry, "fakegitserver", "1.0", false}
-	GBFrontend               = ImageConfig{sampleRegistry, "gb-frontend", "v5", false}
-	GBRedisSlave             = ImageConfig{sampleRegistry, "gb-redisslave", "v2", false}
+	GBFrontend               = ImageConfig{sampleRegistry, "gb-frontend", "v6", false}
+	GBRedisSlave             = ImageConfig{sampleRegistry, "gb-redisslave", "v3", false}
 	Hostexec                 = ImageConfig{e2eRegistry, "hostexec", "1.1", false}
 	IpcUtils                 = ImageConfig{e2eRegistry, "ipc-utils", "1.0", false}
 	Iperf                    = ImageConfig{e2eRegistry, "iperf", "1.0", false}