Update docker/setup-buildx-action action to v4

[balena-renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/setup-buildx-action	action	major	v3 → v4

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Release Notes

docker/setup-buildx-action (docker/setup-buildx-action)

v4.1.0

Compare Source

• Bump @​docker/actions-toolkit from 0.79.0 to 0.90.0 in #​489
• Bump brace-expansion from 1.1.12 to 5.0.6 in #​547 #​508
• Bump fast-xml-builder from 1.0.0 to 1.2.0 in #​540
• Bump fast-xml-parser from 5.4.2 to 5.8.0 in #​496
• Bump flatted from 3.3.3 to 3.4.2 in #​499
• Bump glob from 10.3.12 to 13.0.6 in #​495
• Bump handlebars from 4.7.8 to 4.7.9 in #​504
• Bump lodash from 4.17.23 to 4.18.1 in #​523
• Bump picomatch from 4.0.3 to 4.0.4 in #​503
• Bump postcss from 8.5.6 to 8.5.10 in #​537
• Bump tar from 6.2.1 to 7.5.15 in #​545
• Bump undici from 6.23.0 to 6.25.0 in #​492
• Bump vite from 7.3.1 to 7.3.2 in #​520

Full Changelog: docker/setup-buildx-action@v4.0.0...v4.1.0

v4.0.0

Compare Source

• Node 24 as default runtime (requires Actions Runner v2.327.1 or later) by @​crazy-max in #​483
• Remove deprecated inputs/outputs by @​crazy-max in #​464
• Switch to ESM and update config/test wiring by @​crazy-max in #​481
• Bump @​actions/core from 1.11.1 to 3.0.0 in #​475
• Bump @​docker/actions-toolkit from 0.63.0 to 0.79.0 in #​482 #​485
• Bump js-yaml from 4.1.0 to 4.1.1 in #​452
• Bump lodash from 4.17.21 to 4.17.23 in #​472
• Bump minimatch from 3.1.2 to 3.1.5 in #​480

Full Changelog: docker/setup-buildx-action@v3.12.0...v4.0.0

v4

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This PR has been generated by Mend Renovate.