chore: Upgrade to next gen docker convenience image

[vishnu-narayanan]

Pull Request Template

Description

CircleCI has deprecated old docker images in favour of their next-gen images published under a new registry. This PR switches the docker images used by Chatwoot to next-gen images from CircleCI.

ref: https://discuss.circleci.com/t/legacy-convenience-image-deprecation/41034

Fixes https://github.com/chatwoot/product/issues/353

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• CircleCI tests

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[vishnu-narayanan]

postgres:alpine and redis:alpine tags are no longer available under the new registry. Switching to the latest available versions.

https://hub.docker.com/r/cimg/postgres/tags
https://hub.docker.com/r/cimg/redis/tags

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.