chore(deps): update registry.redhat.io/ubi9/go-toolset docker tag to v9

[red-hat-konflux]

This PR contains the following updates:

Package	Type	Update	Change
registry.redhat.io/ubi9/go-toolset	stage	major	1.24 -> 9.6

---

Configuration

📅 Schedule: Branch creation - "before 5am" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

To execute skipped test pipelines write comment /ok-to-test.

This PR has been generated by MintMaker (powered by Renovate Bot).

Summary by Sourcery

Build:

• Bump registry.redhat.io/ubi9/go-toolset image from v1.24 to v9.6 in Dockerfile.fetch_tsa_certs.rh and Dockerfile.tsa.rh

[sourcery-ai]

Reviewer's Guide

This PR updates the base Docker image for the Go toolset to the new major version across TSA-related Dockerfiles, ensuring builds use registry.redhat.io/ubi9/go-toolset:9.6.

File-Level Changes

Change	Details	Files
Bump go-toolset Docker image tag to v9	Replace registry.redhat.io/ubi9/go-toolset:1.24 with :9.6 in Dockerfile.fetch_tsa_certs.rh Replace registry.redhat.io/ubi9/go-toolset:1.24 with :9.6 in Dockerfile.tsa.rh	Dockerfile.fetch_tsa_certs.rh Dockerfile.tsa.rh

---

Tips and commands

Interacting with Sourcery

• Trigger a new review: Comment @sourcery-ai review on the pull request.
• Continue discussions: Reply directly to Sourcery's review comments.
• Generate a GitHub issue from a review comment: Ask Sourcery to create an
  issue from a review comment by replying to it. You can also reply to a
  review comment with @sourcery-ai issue to create an issue from it.
• Generate a pull request title: Write @sourcery-ai anywhere in the pull
  request title to generate a title at any time. You can also comment
  @sourcery-ai title on the pull request to (re-)generate the title at any time.
• Generate a pull request summary: Write @sourcery-ai summary anywhere in
  the pull request body to generate a PR summary at any time exactly where you
  want it. You can also comment @sourcery-ai summary on the pull request to
  (re-)generate the summary at any time.
• Generate reviewer's guide: Comment @sourcery-ai guide on the pull
  request to (re-)generate the reviewer's guide at any time.
• Resolve all Sourcery comments: Comment @sourcery-ai resolve on the
  pull request to resolve all Sourcery comments. Useful if you've already
  addressed all the comments and don't want to see them anymore.
• Dismiss all Sourcery reviews: Comment @sourcery-ai dismiss on the pull
  request to dismiss all existing Sourcery reviews. Especially useful if you
  want to start fresh with a new review - don't forget to comment
  @sourcery-ai review to trigger a new review!

Customizing Your Experience

Access your dashboard to:

• Enable or disable review features such as the Sourcery-generated pull request
  summary, the reviewer's guide, and others.
• Change the review language.
• Add, remove or edit custom review instructions.
• Adjust other review settings.

Getting Help

• Contact our support team for questions or feedback.
• Visit our documentation for detailed guides and information.
• Keep in touch with the Sourcery team by following us on X/Twitter, LinkedIn or GitHub.