Update actions/cache action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Pending
actions/cache	action	major	v5 → v6	v6.1.0

---

Release Notes

actions/cache (actions/cache)

v6.0.0

Compare Source

What's Changed

• Update packages, migrate to ESM by @​Samirat in #​1760

Full Changelog: actions/cache@v5...v6.0.0

v6

Compare Source

---

Configuration

📅 Schedule: (UTC)

• 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 was generated by Mend Renovate. View the repository job log.

[github-actions]

Performance benchmark

bc11d52

┌─────────────┬─────────┬─────────┬────────┬───────┐
│             │ 10      │ 100     │ 1000   │ 10000 │
├─────────────┼─────────┼─────────┼────────┼───────┤
│ Performance │ 5491487 │ 1341517 │ 125786 │ 14738 │
└─────────────┴─────────┴─────────┴────────┴───────┘