chore(deps): update github actions all dependencies (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v4
actions/checkout	action	major	v2.7.0 -> v4.2.2
docker/build-push-action	action	major	v1 -> v6

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Release Notes

actions/checkout (actions/checkout)

v4

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• url-helper.ts now leverages well-known environment variables by @​jww3 in https://github.com/actions/checkout/pull/1941
• Expand unit test coverage for isGhes by @​jww3 in https://github.com/actions/checkout/pull/1946

v3

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• Fix: Mark test scripts with Bash'isms to be run via Bash
• Add option to fetch tags even if fetch-depth > 0

docker/build-push-action (docker/build-push-action)

v6

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v5

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v4

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v3

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v2

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Configuration

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🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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• If you want to rebase/retry this PR, check this box

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