chore: update module sigs.k8s.io/controller-runtime to v0.8.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
sigs.k8s.io/controller-runtime	require	patch	v0.8.0 -> v0.8.1

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Release Notes

kubernetes-sigs/controller-runtime

v0.8.1

Compare Source

Changes since v0.8.0

✨ New Features

• Allow panic as an option to -zap-stacktrace-level" (#​1348)
• Manager: Start all caches before other Runnables (#​1327)
• Bump Kubernetes dependencies to 1.20.2 (#​1335)

🐛 Bug Fixes

• Manager.Elected() should be closed after runnables are started (#​1354)
• Prevent source.Channel from shutting down immediately (#​1345)
• Fix a race in the delegating logger (#​1339)
• Fix DestWritter var name typo (#​1340)
• Fix context.TODO() in the example (#​1355)

Thanks to all our contributors! 😊

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