[skip-release] Update github-actions

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/setup-buildx-action (changelog)	action	digest	bb05f3f → 37fe631
libops/.github (changelog)	action	digest	ac5db17 → 7277eac

---

Warning

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

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • Only on Wednesday (* * * * 3)
• Automerge
  • At any time (no schedule defined)

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

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

Benchmark Matrix: pr-53-32600386314

Summary

Triplet image: ghcr.io/libops/triplet:renovate.github-actions

Mode	Concurrency	Triplet OK	Duration s	Req/s	p95 ms	p99 ms	CPU ms/req	Max MiB
uncached	2	270/270 (100%)	11.24	24.0	216.9	407.6	99.71	182.0
uncached	4	270/270 (100%)	9.09	29.7	360.8	613.1	106.63	355.6
uncached	8	270/270 (100%)	9.01	30.0	534.1	911.7	106.24	443.5
cached	8	270/270 (100%)	9.02	29.9	525.5	890.3	106.40	385.1
cached	32	270/270 (100%)	9.03	29.9	1451.0	1619.9	103.72	410.5
cached	128	270/270 (100%)	9.04	29.9	4476.1	4649.1	103.92	391.5

Status reflects Triplet request success. Performance metrics are informational.