Bump CAPI to v1.4.3

[haijianyang]

CAPI v1.4.3

CAPE

• Dependency: Update cert-manager to v1.12.1
• Dependency: Update kubebuilder envtest to 1.27.1

CAPI

• clusterctl: Return error on infra cluster and control plane discovery ([release-1.4] 🐛 Return error on infra cluster and control plane discovery kubernetes-sigs/cluster-api#8609)
• e2e: Adjust machinepool helper e2e timeout (🐛 [release-1.4] Adjust machinepool helper e2e timeout kubernetes-sigs/cluster-api#8756)
• e2e: test/e2e check for machines being ready after provisioning on Runtime SDK test ([release-1.4] 🐛 test/e2e check for machines being ready after provisioning on Runtime SDK test kubernetes-sigs/cluster-api#8646)
• e2e: test/framework fix docker pod log collector ([release-1.4] 🐛 test/framework fix docker pod log collector kubernetes-sigs/cluster-api#8643)
• KCP: Allow machine rollout if cert reconcile fails ([release-1.4] 🐛 Allow machine rollout if cert reconcile fails kubernetes-sigs/cluster-api#8737)
• KCP: Prevent KCP to create many private keys for each reconcile ([release-1.4] 🐛 Prevent KCP to create many private keys for each reconcile kubernetes-sigs/cluster-api#8619)

[codecov]

Codecov Report

Merging #117 (b899737) into master (ab4f5ea) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #117   +/-   ##
=======================================
  Coverage   52.67%   52.67%           
=======================================
  Files          11       11           
  Lines        2259     2259           
=======================================
  Hits         1190     1190           
  Misses        981      981           
  Partials       88       88