Update module sigs.k8s.io/cluster-api to v1.8.6 (#567)

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

go.mod

@@ -20,7 +20,7 @@ require (
 	k8s.io/apimachinery v0.31.3
 	k8s.io/client-go v0.31.3
 	k8s.io/utils v0.0.0-20241210054802-24370beab758
-	sigs.k8s.io/cluster-api v1.8.5
+	sigs.k8s.io/cluster-api v1.8.6
 	sigs.k8s.io/controller-runtime v0.19.3
 )
 

go.sum

@@ -2062,8 +2062,8 @@ rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 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 v1.8.5 h1:lNA2fPN4fkXEs+oOQlnwxT/4VwRFBpv5kkSoJG8nqBA=
-sigs.k8s.io/cluster-api v1.8.5/go.mod h1:pXv5LqLxuIbhGIXykyNKiJh+KrLweSBajVHHitPLyoY=
+sigs.k8s.io/cluster-api v1.8.6 h1:kQvvEvO7+SCLLXHFW7lRmDQK60g+WD5yCRl1OPzdy40=
+sigs.k8s.io/cluster-api v1.8.6/go.mod h1:RhIkNM1I2Of4xXCgPHtRDHNprVrLgFFeA8BQRRIy+Tk=
 sigs.k8s.io/controller-runtime v0.19.3 h1:XO2GvC9OPftRst6xWCpTgBZO04S2cbp0Qqkj8bX1sPw=
 sigs.k8s.io/controller-runtime v0.19.3/go.mod h1:j4j87DqtsThvwTv5/Tc5NFRyyF/RF0ip4+62tbTSIUM=
 sigs.k8s.io/e2e-framework v0.5.0 h1:YLhk8R7EHuTFQAe6Fxy5eBzn5Vb+yamR5u8MH1Rq3cE=