chore(deps): Bump sigs.k8s.io/yaml from 1.3.0 to 1.4.0 in /backend (#540

)

Bumps [sigs.k8s.io/yaml](https://github.com/kubernetes-sigs/yaml) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/kubernetes-sigs/yaml/releases)
- [Changelog](https://github.com/kubernetes-sigs/yaml/blob/master/RELEASE.md)
- [Commits](kubernetes-sigs/yaml@v1.3.0...v1.4.0)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/yaml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/go.mod

@@ -18,7 +18,7 @@ require (
 	k8s.io/client-go v0.28.3
 	sigs.k8s.io/controller-runtime v0.16.3
 	sigs.k8s.io/kubectl-validate v0.0.1
-	sigs.k8s.io/yaml v1.3.0
+	sigs.k8s.io/yaml v1.4.0
 )
 
 require (

backend/go.sum

@@ -2488,8 +2488,9 @@ sigs.k8s.io/structured-merge-diff/v4 v4.3.0 h1:UZbZAZfX0wV2zr7YZorDz6GXROfDFj6Lv
 sigs.k8s.io/structured-merge-diff/v4 v4.3.0/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
-sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
 sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=
+sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
+sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=
 software.sslmate.com/src/go-pkcs12 v0.2.0 h1:nlFkj7bTysH6VkC4fGphtjXRbezREPgrHuJG20hBGPE=
 software.sslmate.com/src/go-pkcs12 v0.2.0/go.mod h1:23rNcYsMabIc1otwLpTkCCPwUq6kQsTyowttG/as0kQ=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=