chore(deps): update grafana/shared-workflows/build-push-to-dockerhub action to v0.4.2

[renovate-sh-app]

This PR contains the following updates:

Package	Type	Update	Change
grafana/shared-workflows	action	minor	build-push-to-dockerhub-v0.1.1 → build-push-to-dockerhub/v0.4.2

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Release Notes

grafana/shared-workflows (grafana/shared-workflows)

vbuild-push-to-dockerhub/v0.4.2: build-push-to-dockerhub: v0.4.2

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🔧 Miscellaneous Chores

• deps: update actions/checkout action to v6.0.2 (#​1672) (3105e25)
• deps: update docker/build-push-action action to v6.19.0 (#​1717) (37c176c)
• deps: update docker/build-push-action action to v6.19.2 (#​1721) (bf35378)
• deps: update docker/setup-buildx-action action to v3.12.0 (#​1633) (9c7001f)
• multiple: update deprecation deadline to March 31, 2026 (#​1720) (e67b0ea)

vbuild-push-to-dockerhub/v0.4.1: build-push-to-dockerhub: v0.4.1

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📝 Documentation

• improve docker build action docs (#​1486) (2dd0b03)

🔧 Miscellaneous Chores

• deps: update actions/checkout action to v5.0.1 (#​1541) (773f5b1)
• deps: update actions/checkout action to v6 (#​1570) (af4d9df)
• deps: update actions/checkout action to v6.0.1 (#​1590) (2425a5f)
• deps: update docker/metadata-action action to v5.10.0 (#​1582) (d80ddba)
• deps: update docker/metadata-action action to v5.9.0 (#​1501) (2d5a067)
• deps: update docker/setup-qemu-action action to v3.7.0 (#​1505) (559f4cd)
• multiple: deprecate old docker actions and add migration guide (#​1606) (b6c252d)

vbuild-push-to-dockerhub/v0.4.0: build-push-to-dockerhub: v0.4.0

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🎉 Features

• build-push-to-dockerhub: add labels input (#​1471) (988bd06)

vbuild-push-to-dockerhub/v0.3.0: build-push-to-dockerhub: v0.3.0

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🎉 Features

• build-push-to-dockerhub: support load parameter (#​1193) (58d9866)

🐛 Bug Fixes

• remediate latest zizmor findings, fix supplying zizmor config (#​1101) (712c599)

🔧 Miscellaneous Chores

• deps: update actions/checkout action to v4.3.0 (#​1221) (17ab531)
• deps: update actions/checkout action to v5 (#​1227) (fd79c02)
• deps: update docker/build-push-action action to v6.18.0 (#​1065) (5b5ee4c)
• deps: update docker/metadata-action action to v5.8.0 (#​1182) (315e38a)
• deps: update docker/setup-buildx-action action to v3.11.1 (#​1068) (5233cbc)

vbuild-push-to-dockerhub/v0.2.0: build-push-to-dockerhub: v0.2.0

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🎉 Features

• build-push-to-dockerhub: enable docker mirror for buildx on self-hosted runners (#​999) (f797fbd)
• push-to-gar-docker,build-push-to-dockerhub: add support for buildkit secrets (#​990) (bfed586)

🐛 Bug Fixes

• ensure every action disables git credential persistence (#​821) (31ebf3f)

📝 Documentation

• multiple-actions: move permissions to job level in workflow examples (49c90b1)
• multiple-actions: move permissions to job level in workflows (#​969) (49c90b1)
• multiple: add docker cache notes to build-push-to-dockerhub and push-to-gar-docker (#​1003) (e5377f9)
• update all readmes to replace hyphen with slash (#​1008) (472df76)

🔧 Miscellaneous Chores

• deps: update docker/build-push-action action to v6.14.0 (#​793) (d750654)
• deps: update docker/build-push-action action to v6.15.0 (#​816) (0ae253d)
• deps: update docker/build-push-action action to v6.16.0 (#​923) (a301072)
• deps: update docker/metadata-action action to v5.7.0 (#​818) (9f9b2eb)
• deps: update docker/setup-buildx-action action to v3.10.0 (#​819) (09fb633)
• deps: update docker/setup-buildx-action action to v3.9.0 (#​755) (8dd62e3)
• deps: update docker/setup-qemu-action action to v3.4.0 (#​756) (753c87a)
• deps: update docker/setup-qemu-action action to v3.5.0 (#​820) (183a929)
• deps: update docker/setup-qemu-action action to v3.6.0 (#​825) (bfbcd01)
• main: release push-to-gar-docker 0.3.0 (#​794) (a7bc536)

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