chore(deps): Bump k8s.io/client-go from 0.31.3 to 0.31.4 in /backend

Bumps [k8s.io/client-go](https://github.com/kubernetes/client-go) from 0.31.3 to 0.31.4.
- [Changelog](https://github.com/kubernetes/client-go/blob/master/CHANGELOG.md)
- [Commits](kubernetes/client-go@v0.31.3...v0.31.4)

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

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

backend/go.mod

@@ -15,7 +15,7 @@ require (
 	gomodules.xyz/jsonpatch/v2 v2.4.0
 	k8s.io/api v0.31.4
 	k8s.io/apimachinery v0.31.4
-	k8s.io/client-go v0.31.3
+	k8s.io/client-go v0.31.4
 	sigs.k8s.io/controller-runtime v0.19.3
 	sigs.k8s.io/kubectl-validate v0.0.5-0.20240827210056-ce13d95db263
 	sigs.k8s.io/yaml v1.4.0

backend/go.sum

@@ -1196,8 +1196,8 @@ k8s.io/apiserver v0.31.1 h1:Sars5ejQDCRBY5f7R3QFHdqN3s61nhkpaX8/k1iEw1c=
 k8s.io/apiserver v0.31.1/go.mod h1:lzDhpeToamVZJmmFlaLwdYZwd7zB+WYRYIboqA1kGxM=
 k8s.io/cli-runtime v0.31.1 h1:/ZmKhmZ6hNqDM+yf9s3Y4KEYakNXUn5sod2LWGGwCuk=
 k8s.io/cli-runtime v0.31.1/go.mod h1:pKv1cDIaq7ehWGuXQ+A//1OIF+7DI+xudXtExMCbe9U=
-k8s.io/client-go v0.31.3 h1:CAlZuM+PH2cm+86LOBemaJI/lQ5linJ6UFxKX/SoG+4=
-k8s.io/client-go v0.31.3/go.mod h1:2CgjPUTpv3fE5dNygAr2NcM8nhHzXvxB8KL5gYc3kJs=
+k8s.io/client-go v0.31.4 h1:t4QEXt4jgHIkKKlx06+W3+1JOwAFU/2OPiOo7H92eRQ=
+k8s.io/client-go v0.31.4/go.mod h1:kvuMro4sFYIa8sulL5Gi5GFqUPvfH2O/dXuKstbaaeg=
 k8s.io/component-base v0.31.1 h1:UpOepcrX3rQ3ab5NB6g5iP0tvsgJWzxTyAo20sgYSy8=
 k8s.io/component-base v0.31.1/go.mod h1:WGeaw7t/kTsqpVTaCoVEtillbqAhF2/JgvO0LDOMa0w=
 k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk=