Update containerd to latest changes for 2.3

[dmcgowan]

With rebase plus relevant changes in 2.3 milestone

[Copilot]

Pull request overview

Updates the project’s Go module dependencies to track newer containerd (2.3 milestone) changes via updated replace targets and associated dependency bumps.

Changes:

• Bump the Go toolchain version in go.mod from 1.24.3 to 1.24.6.
• Update indirect dependencies (e.g., go-systemd, logrus, x/net, x/text, grpc) and refresh go.sum.
• Advance the replace target for github.com/containerd/containerd/v2 and add a replace for github.com/containerd/containerd/api to a newer pseudo-version.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
go.mod	Updates Go version, bumps several indirect deps, and updates/adds containerd-related replace directives to newer pseudo-versions.
go.sum	Refreshes module checksums to match the updated dependency graph and new containerd replacement modules.

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