fix(deps): update module golang.org/x/tools to v0.29.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
golang.org/x/tools	v0.22.0 -> v0.29.0

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact 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: internal/tools/go.sum

Command failed: go get -d -t ./...
go: errors parsing go.mod:
/tmp/renovate/repos/github/liatrio/tag-o11y-dora-the-explorer/internal/tools/go.mod:5: unknown directive: toolchain