build(deps): bump docker/metadata-action from 3 to 4

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 3 to 4.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Upgrade guide](https://github.com/docker/metadata-action/blob/master/UPGRADE.md)
- [Commits](https://github.com/docker/metadata-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
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dependabot[bot] 2022-05-20 13:14:49 +00:00 committed by GitHub
parent 3a83b6ce39
commit 574650abe3
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@ -24,7 +24,7 @@ jobs:
- name: Gather metadata
id: meta
uses: docker/metadata-action@v3
uses: docker/metadata-action@v4
with:
images: |
ghcr.io/dexidp/dex