chore(deps): update actions/cache action to v5.1.0

[renovate]

This PR contains the following updates:

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

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Release Notes

actions/cache (actions/cache)

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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