Renovate: Update docker/metadata-action action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/metadata-action	action	major	v5 → v6

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Release Notes

docker/metadata-action (docker/metadata-action)

v6.2.0

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v6.1.0

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• Bump @​docker/actions-toolkit from 0.79.0 to 0.90.0 in #​613
• Bump brace-expansion from 1.1.12 to 5.0.6 in #​658 #​630
• Bump csv-parse from 6.1.0 to 6.2.1 in #​617
• Bump fast-xml-parser from 5.4.2 to 5.8.0 in #​620
• Bump flatted from 3.3.3 to 3.4.2 in #​623
• Bump glob from 10.3.15 to 10.5.0 in #​621
• Bump handlebars from 4.7.8 to 4.7.9 in #​629
• Bump lodash from 4.17.23 to 4.18.1 in #​639
• Bump moment-timezone from 0.6.0 to 0.6.1 in #​619
• Bump picomatch from 4.0.3 to 4.0.4 in #​626
• Bump postcss from 8.5.6 to 8.5.10 in #​649
• Bump tar from 6.2.1 to 7.5.15 in #​657
• Bump undici from 6.23.0 to 6.25.0 in #​614
• Bump vite from 7.3.1 to 7.3.2 in #​637

Full Changelog: docker/metadata-action@v6.0.0...v6.1.0

v6.0.0

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• Node 24 as default runtime (requires Actions Runner v2.327.1 or later) by @​crazy-max in #​605
• List inputs now preserve # inside values while still supporting full-line # comments by @​crazy-max in #​607
• Switch to ESM and update config/test wiring by @​crazy-max in #​602
• Bump lodash from 4.17.21 to 4.17.23 in #​588
• Bump @​actions/core from 1.11.1 to 3.0.0 in #​599
• Bump @​actions/github from 6.0.1 to 9.0.0 in #​597
• Bump @​docker/actions-toolkit from 0.68.0 to 0.79.0 in #​604
• Bump @​isaacs/brace-expansion from 5.0.0 to 5.0.1 in #​600
• Bump semver from 7.7.3 to 7.7.4 in #​603

Full Changelog: docker/metadata-action@v5.10.0...v6.0.0

v6

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