Update moby/buildkit Docker tag to v0.20.1

This MR contains the following updates:

Package	Type	Update	Change
moby/buildkit	final	patch	v0.20.0-rootless -> v0.20.1-rootless

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Release Notes

moby/buildkit (moby/buildkit)

v0.20.1

Compare Source

Welcome to the v0.20.1 release of buildkit!

Please try out the release binaries and report any issues at https://github.com/moby/buildkit/issues.

Contributors

• Tõnis Tiigi
• Akihiro Suda
• CrazyMax

Notable Changes

• Builtin Dockerfile frontend has been updated to v1.14.1
• Fix panic during CDI manager initialization. #​5769 cncf-tags/container-device-interface#254
• Fix gRPC message size when writing SBOMs. #​5798 containerd/containerd#11457
• Fix possible panic with libc-bin emulation in QEMU v9.2.0. #​5808
• Update azblob client retries for GitHub Actions cache backend. #​5797 tonistiigi/go-actions-cache#33

Dependency Changes

• github.com/containerd/containerd/v2 v2.0.2 -> v2.0.3
• github.com/tonistiigi/go-actions-cache 1a5174a -> 3e9a664
• tags.cncf.io/container-device-interface v0.8.0 -> v0.8.1

Previous release can be found at v0.20.0

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