SKS-1636: Bump CAPI to v1.4.5

[haijianyang]

Bump CAPI to v1.4.5

• KCP: Prevent nil pointer exception in kcp controller when in… ([release-1.4] 🐛 controlplane: prevent nil pointer exception in kcp controller when in… kubernetes-sigs/cluster-api#8991)
• KCP: Requeue KCP object if ControlPlaneComponentsHealthyCondition is not yet true ([release-1.4] 🐛 requeue KCP object if ControlPlaneComponentsHealthyCondition is not yet true kubernetes-sigs/cluster-api#9036)
• ClusterCacheTracker: ClusterCacheTracker: ensure Get/List calls are not getting stuck when apiserver is unreachable ([release-1.4] 🌱 ClusterCacheTracker: ensure Get/List calls are not getting stuck when apiserver is unreachable kubernetes-sigs/cluster-api#9027)

CAPE Changes:

• Bump cert-manager to v1.12.2
• Bump kindest/node to v0.20.0
• Bump ginkgo to v2.11.0

[haijianyang]

先合了这个 PR，#130 rebase 跑 E2E。

[codecov]

Codecov Report

Merging #132 (e4c726b) into master (43ef232) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #132   +/-   ##
=======================================
  Coverage   53.66%   53.66%           
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  Files          15       15           
  Lines        2581     2581           
=======================================
  Hits         1385     1385           
  Misses       1084     1084           
  Partials      112      112