Upgrade actions/cache in GitHub Actions to 6.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/cache	action	major	v5.0.5 → v6.1.0

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Release Notes

actions/cache (actions/cache)

v6.1.0

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What's Changed

• Bump @​actions/cache to v6.1.0 - handle read-only cache access by @​jasongin in #​1768

Full Changelog: actions/cache@v6...v6.1.0

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

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v5.1.0

Compare Source

What's Changed

• Bump @​actions/cache to v5.1.0 - handle read-only cache access by @​jasongin in #​1775

Full Changelog: actions/cache@v5...v5.1.0

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Configuration

📅 Schedule: (in timezone Europe/Copenhagen)

• Branch creation
  • At 12:00 AM through 06:59 AM and 05:00 PM through 11:59 PM, Monday through Friday (* 0-6,17-23 * * mon-fri)
  • Only on Saturday and Sunday (* * * * sat,sun)
• 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.

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

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