update mod file (#19)

* update mod

* update gcr

* update unittest actions

update go to 1.21 (#18)

build(deps): bump github.com/docker/distribution (#11)

Bumps [github.com/docker/distribution](https://github.com/docker/distribution) from 2.8.1+incompatible to 2.8.2+incompatible.
- [Release notes](https://github.com/docker/distribution/releases)
- [Commits](distribution/distribution@v2.8.1...v2.8.2)

---
updated-dependencies:
- dependency-name: github.com/docker/distribution
  dependency-type: direct:production
...

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update go version to 1.19 (#7)

* update go version to 1.19
* fix test pipeline

update modules

update modules