chore(deps): bump sigs.k8s.io/release-utils from 0.7.7 to 0.8.1 (#3656)

Bumps [sigs.k8s.io/release-utils](https://github.com/kubernetes-sigs/release-utils) from 0.7.7 to 0.8.1.
- [Release notes](https://github.com/kubernetes-sigs/release-utils/releases)
- [Commits](kubernetes-sigs/release-utils@v0.7.7...v0.8.1)

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

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

go.mod

@@ -57,7 +57,7 @@ require (
 	k8s.io/apimachinery v0.28.3
 	k8s.io/client-go v0.28.3
 	k8s.io/utils v0.0.0-20230726121419-3b25d923346b
-	sigs.k8s.io/release-utils v0.7.7
+	sigs.k8s.io/release-utils v0.8.1
 )
 
 require (

go.sum

@@ -953,8 +953,8 @@ k8s.io/utils v0.0.0-20230726121419-3b25d923346b h1:sgn3ZU783SCgtaSJjpcVVlRqd6GSn
 k8s.io/utils v0.0.0-20230726121419-3b25d923346b/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
-sigs.k8s.io/release-utils v0.7.7 h1:JKDOvhCk6zW8ipEOkpTGDH/mW3TI+XqtPp16aaQ79FU=
-sigs.k8s.io/release-utils v0.7.7/go.mod h1:iU7DGVNi3umZJ8q6aHyUFzsDUIaYwNnNKGHo3YE5E3s=
+sigs.k8s.io/release-utils v0.8.1 h1:qSA9p3vZzO6RAq7zvzupCZjR29+n3NK9DSJPe9bSf7w=
+sigs.k8s.io/release-utils v0.8.1/go.mod h1:vrQ3eR1VmudgX4OUwr4pUZEkYLRms9bdbv06mr3kchQ=
 sigs.k8s.io/structured-merge-diff/v4 v4.3.0 h1:UZbZAZfX0wV2zr7YZorDz6GXROfDFj6LvqCRm4VUVKk=
 sigs.k8s.io/structured-merge-diff/v4 v4.3.0/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08=
 sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=