Update module github.com/bufbuild/buf to v1.28.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/bufbuild/buf	require	minor	v1.27.2 -> v1.28.0

---

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

Release Notes

bufbuild/buf (github.com/bufbuild/buf)

v1.28.0

Compare Source

• Add lint rules for protovalidate. buf lint
  will now verify that your protovalidate rules are valid. A single rule PROTOVALIDATE has been
  added to the DEFAULT group - given that protovalidate is net new, this does not represent
  a breaking change.
• Update buf beta price with the latest pricing information.
• Display a warning when reading a buf.lock with dependencies with b1 or b3 digests. b1 and b3
  digests will be deprecated in a future version. Run buf mod update to update dependency digests.

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), 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

---

This PR has been generated by Mend Renovate. View repository job log here.

[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠ Warning: custom changes will be lost.