feat: support ruler sidecar in singleBinary mode

[okozachenko1203]

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What this PR does / why we need it: support ruler sidecar in singleBinary mode

Which issue(s) this PR fixes: Fixes #10967

Special notes for your reviewer:

Checklist

• [ ] Reviewed the CONTRIBUTING.md guide (required)
• [ ] Documentation added
• [ ] Tests updated
• [ ] Title matches the required conventional commits format, see here
  • Note that Promtail is considered to be feature complete, and future development for logs collection will be in Grafana Alloy. As such, feat PRs are unlikely to be accepted unless a case can be made for the feature actually being a bug fix to existing behavior.
• [ ] Changes that require user attention or interaction to upgrade are documented in docs/sources/setup/upgrade/_index.md
• [ ] For Helm chart changes bump the Helm chart version in production/helm/loki/Chart.yaml and update production/helm/loki/CHANGELOG.md and production/helm/loki/README.md. Example PR
• [ ] If the change is deprecating or removing a configuration option, update the deprecated-config.yaml and deleted-config.yaml files respectively in the tools/deprecated-config-checker directory. Example PR

[CLAassistant]

All committers have signed the CLA.

[3deep5me]

I would also need & love this feature!

[3deep5me]

Hi @okozachenko1203, i think you need to sign the CLA that the PR can be proceeded.

[tyriis]

would be great to have this resolved :)

[jazzlyn]

any chance to get this merged?

[janisii]

Any updates on this?

[3deep5me]

Thanks for merging this!

Just a notice, please update the Chart.yaml in the next time. With this MR semantic versioning has been eliminated.
I had a fixed Chart-Version in ArgoCD and out of nowhere a new sidecar with new mounts appeared in my deployments.