Update docker/login-action action to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker/login-action	action	major	v2 -> v3

• [ ] PR contains the label that identifies the area, one of: area:operator, area:chart
• [ ] If the PR is targeting a Helm chart, add the chart label, e.g. chart:k8up

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Release Notes

docker/login-action (docker/login-action)

### [`v3`](https://togithub.com/docker/login-action/compare/v2...v3) [Compare Source](https://togithub.com/docker/login-action/compare/v2...v3)

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