chore(deps): Bump k8s.io/api from 0.28.3 to 0.28.4 in /backend

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

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

Signed-off-by: dependabot[bot] <[email protected]>

backend/go.mod

@@ -13,8 +13,8 @@ require (
 	github.com/spf13/cobra v1.8.0
 	github.com/stretchr/testify v1.8.4
 	gomodules.xyz/jsonpatch/v2 v2.4.0
-	k8s.io/api v0.28.3
-	k8s.io/apimachinery v0.28.3
+	k8s.io/api v0.28.4
+	k8s.io/apimachinery v0.28.4
 	k8s.io/client-go v0.28.3
 	sigs.k8s.io/controller-runtime v0.16.3
 	sigs.k8s.io/kubectl-validate v0.0.2

backend/go.sum

@@ -2405,16 +2405,16 @@ inet.af/netaddr v0.0.0-20230525184311-b8eac61e914a h1:1XCVEdxrvL6c0TGOhecLuB7U9z
 inet.af/netaddr v0.0.0-20230525184311-b8eac61e914a/go.mod h1:e83i32mAQOW1LAqEIweALsuK2Uw4mhQadA5r7b0Wobo=
 k8s.io/api v0.20.1/go.mod h1:KqwcCVogGxQY3nBlRpwt+wpAMF/KjaCc7RpywacvqUo=
 k8s.io/api v0.20.2/go.mod h1:d7n6Ehyzx+S+cE3VhTGfVNNqtGc/oL9DCdYYahlurV8=
-k8s.io/api v0.28.3 h1:Gj1HtbSdB4P08C8rs9AR94MfSGpRhJgsS+GF9V26xMM=
-k8s.io/api v0.28.3/go.mod h1:MRCV/jr1dW87/qJnZ57U5Pak65LGmQVkKTzf3AtKFHc=
+k8s.io/api v0.28.4 h1:8ZBrLjwosLl/NYgv1P7EQLqoO8MGQApnbgH8tu3BMzY=
+k8s.io/api v0.28.4/go.mod h1:axWTGrY88s/5YE+JSt4uUi6NMM+gur1en2REMR7IRj0=
 k8s.io/apiextensions-apiserver v0.20.1/go.mod h1:ntnrZV+6a3dB504qwC5PN/Yg9PBiDNt1EVqbW2kORVk=
 k8s.io/apiextensions-apiserver v0.20.2/go.mod h1:F6TXp389Xntt+LUq3vw6HFOLttPa0V8821ogLGwb6Zs=
 k8s.io/apiextensions-apiserver v0.28.3 h1:Od7DEnhXHnHPZG+W9I97/fSQkVpVPQx2diy+2EtmY08=
 k8s.io/apiextensions-apiserver v0.28.3/go.mod h1:NE1XJZ4On0hS11aWWJUTNkmVB03j9LM7gJSisbRt8Lc=
 k8s.io/apimachinery v0.20.1/go.mod h1:WlLqWAHZGg07AeltaI0MV5uk1Omp8xaN0JGLY6gkRpU=
 k8s.io/apimachinery v0.20.2/go.mod h1:WlLqWAHZGg07AeltaI0MV5uk1Omp8xaN0JGLY6gkRpU=
-k8s.io/apimachinery v0.28.3 h1:B1wYx8txOaCQG0HmYF6nbpU8dg6HvA06x5tEffvOe7A=
-k8s.io/apimachinery v0.28.3/go.mod h1:uQTKmIqs+rAYaq+DFaoD2X7pcjLOqbQX2AOiO0nIpb8=
+k8s.io/apimachinery v0.28.4 h1:zOSJe1mc+GxuMnFzD4Z/U1wst50X28ZNsn5bhgIIao8=
+k8s.io/apimachinery v0.28.4/go.mod h1:wI37ncBvfAoswfq626yPTe6Bz1c22L7uaJ8dho83mgg=
 k8s.io/apiserver v0.20.1/go.mod h1:ro5QHeQkgMS7ZGpvf4tSMx6bBOgPfE+f52KwvXfScaU=
 k8s.io/apiserver v0.20.2/go.mod h1:2nKd93WyMhZx4Hp3RfgH2K5PhwyTrprrkWYnI7id7jA=
 k8s.io/apiserver v0.28.3 h1:8Ov47O1cMyeDzTXz0rwcfIIGAP/dP7L8rWbEljRcg5w=