chore(deps): update docker/setup-buildx-action action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/setup-buildx-action	action	major	v3.12.0 → v4.0.0

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Release Notes

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

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

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