fix(deps): update all go module dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Age	Confidence
github.com/cilium/gobgp/v3	replace	digest	27e5da2 → 2c4e905
golang.org/x/net	require	minor	v0.53.0 → v0.54.0

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[renovate]

⚠️ Artifact update problem

Renovate failed to update artifacts related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: cmd/go.sum

Command failed: go get -t ./...
go: errors parsing go.mod:
go.mod:144: replace github.com/cilium/gobgp/v3: version "v3.0.0-20250717124807-2c4e905b1198" invalid: go.mod has non-.../v3 module path "github.com/osrg/gobgp/v4" (and .../v3/go.mod does not exist) at revision 2c4e905b1198

File name: flow/go.sum

Command failed: go get -t ./...
go: errors parsing go.mod:
go.mod:142: replace github.com/cilium/gobgp/v3: version "v3.0.0-20250717124807-2c4e905b1198" invalid: go.mod has non-.../v3 module path "github.com/osrg/gobgp/v4" (and .../v3/go.mod does not exist) at revision 2c4e905b1198