Update CAPI to v1.3.8 and CAPO to 0.7.3.

Created by: garloff

These are bugfix only changes. CAPI-v1.3.8: clusterctl: Return error on infra cluster and control plane discovery (#8610) e2e: Adjust machinepool helper e2e timeout (#8755) e2e: test/e2e check for machines being ready after provisioning on Runtime SDK test (#8647) e2e: test/framework fix docker pod log collector (#8644) KCP: Allow machine rollout if cert reconcile fails (#8738) KCP: Prevent KCP to create many private keys for each reconcile (#8626) CAPD: change the haproxy entrypoint to prevent getting stopped immediately after start (#8741) CAPD: Delegate CAPD port selection to the container runtime (#8654) CAPI-v1.3.7: clusterctl: Use local kustomize version in create-local-repository.py (#8436) Dependency: Update kindnetd and kindest/haproxy (#8471) CAPI-v1.3.6: API: Implements Getter interface for IPAddressClaim object (#8380) test: Make it possible to run envtest-based integration tests from vscode (#8212)

CAPO-v0.7.3: Always filter cluster subnets by cluster network ID (#1573) CAPO-v0.7.2: Backport Octavia OVN provider support to release-0.7 (#1529) Infer port network from subnet (#1526)