build(deps): Bump k8s.io/sample-controller from 0.28.3 to 0.28.4

Bumps [k8s.io/sample-controller](https://github.com/kubernetes/sample-controller) from 0.28.3 to 0.28.4.
- [Commits](kubernetes/sample-controller@v0.28.3...v0.28.4)

---
updated-dependencies:
- dependency-name: k8s.io/sample-controller
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -22,7 +22,7 @@ require (
 	k8s.io/client-go v0.28.4
 	k8s.io/component-base v0.28.4
 	k8s.io/klog/v2 v2.110.1
-	k8s.io/sample-controller v0.28.3
+	k8s.io/sample-controller v0.28.4
 	k8s.io/utils v0.0.0-20230726121419-3b25d923346b
 )
 

go.sum

@@ -617,8 +617,8 @@ k8s.io/klog/v2 v2.110.1 h1:U/Af64HJf7FcwMcXyKm2RPM22WZzyR7OSpYj5tg3cL0=
 k8s.io/klog/v2 v2.110.1/go.mod h1:YGtd1984u+GgbuZ7e08/yBuAfKLSO0+uR1Fhi6ExXjo=
 k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 h1:LyMgNKD2P8Wn1iAwQU5OhxCKlKJy0sHc+PcDwFB24dQ=
 k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9/go.mod h1:wZK2AVp1uHCp4VamDVgBP2COHZjqD1T68Rf0CM3YjSM=
-k8s.io/sample-controller v0.28.3 h1:yS3hNgOFpgaIldluEAlSLIRk2281g07kxNrdwKBX2gM=
-k8s.io/sample-controller v0.28.3/go.mod h1:R6ahxfGNbfqHpCF53ogmYoIn80jQrBNvEjKCGAYufHQ=
+k8s.io/sample-controller v0.28.4 h1:qghAHWGAFbDaTssOEiktdjbpq9avioOKRMB+KEwBIR0=
+k8s.io/sample-controller v0.28.4/go.mod h1:XXL627j2rVrUQTMpebt6imNnSE30tmFnAOvZsYUsWpo=
 k8s.io/utils v0.0.0-20230726121419-3b25d923346b h1:sgn3ZU783SCgtaSJjpcVVlRqd6GSnlTLKgpAAttJvpI=
 k8s.io/utils v0.0.0-20230726121419-3b25d923346b/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=