Update kind version

Author: shyamradhakrishnan

go.mod

@@ -22,7 +22,7 @@ require (
 	sigs.k8s.io/cluster-api v1.5.7
 	sigs.k8s.io/cluster-api/test v1.5.7
 	sigs.k8s.io/controller-runtime v0.15.3
-	sigs.k8s.io/kind v0.20.0
+	sigs.k8s.io/kind v0.21.0
 )
 
 require (

go.sum

@@ -924,8 +924,8 @@ sigs.k8s.io/controller-runtime v0.15.3 h1:L+t5heIaI3zeejoIyyvLQs5vTVu/67IU2FfisV
 sigs.k8s.io/controller-runtime v0.15.3/go.mod h1:kp4jckA4vTx281S/0Yk2LFEEQe67mjg+ev/yknv47Ds=
 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/kind v0.20.0 h1:f0sc3v9mQbGnjBUaqSFST1dwIuiikKVGgoTwpoP33a8=
-sigs.k8s.io/kind v0.20.0/go.mod h1:aBlbxg08cauDgZ612shr017/rZwqd7AS563FvpWKPVs=
+sigs.k8s.io/kind v0.21.0 h1:QgkVrW35dMXNLkWlUkq2uFQNQbPLr0Z6RgRH5P/NzZU=
+sigs.k8s.io/kind v0.21.0/go.mod h1:aBlbxg08cauDgZ612shr017/rZwqd7AS563FvpWKPVs=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.3 h1:PRbqxJClWWYMNV1dhaG4NsibJbArud9kFxnAMREiWFE=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.3/go.mod h1:qjx8mGObPmV2aSZepjQjbmb2ihdVs8cGKBraizNC69E=
 sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=