fix(deps): update module sigs.k8s.io/cluster-api to v1.7.3 (#53)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -12,7 +12,7 @@ require (
 	k8s.io/api v0.30.1
 	k8s.io/apimachinery v0.30.1
 	k8s.io/client-go v0.30.1
-	sigs.k8s.io/cluster-api v1.7.2
+	sigs.k8s.io/cluster-api v1.7.3
 	sigs.k8s.io/controller-runtime v0.18.4
 )
 

go.sum

@@ -1260,8 +1260,8 @@ k8s.io/utils v0.0.0-20231127182322-b307cd553661/go.mod h1:OLgZIPagt7ERELqWJFomSt
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/cluster-api v1.7.2 h1:bRE8zoao7ajuLC0HijqfZVcubKQCPlZ04HMgcA53FGE=
-sigs.k8s.io/cluster-api v1.7.2/go.mod h1:V9ZhKLvQtsDODwjXOKgbitjyCmC71yMBwDcMyNNIov0=
+sigs.k8s.io/cluster-api v1.7.3 h1:DsSRxsA+18jxLqPAo29abZ9kOPK1/xwhSuQb/MROzSs=
+sigs.k8s.io/cluster-api v1.7.3/go.mod h1:V9ZhKLvQtsDODwjXOKgbitjyCmC71yMBwDcMyNNIov0=
 sigs.k8s.io/controller-runtime v0.18.4 h1:87+guW1zhvuPLh1PHybKdYFLU0YJp4FhJRmiHvm5BZw=
 sigs.k8s.io/controller-runtime v0.18.4/go.mod h1:TVoGrfdpbA9VRFaRnKgk9P5/atA0pMwq+f+msb9M8Sg=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=