Update actions/cache action to v6

[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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[hashicorp-vault-sonar-prod]

Renovate Jira issue ID: RUST-280

[sonarqube-next]

Quality Gate passed for 'sonar-rust'

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
0 Dependency risks
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarQube

[vdiez]

Auto-approved: Renovate dependency update.