feat(operator): Update Loki operand to v3.1.1

[periklis]

What this PR does / why we need it:
Update Loki operand to v3.1.1

Which issue(s) this PR fixes:
Fixes #

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

[JoaoBraveCoding]

/lgtm

[odorT]

Hi, when operator version will also be upgraded? I am waiting for new release for weeks :)

[periklis]

@odorT We wanted to releases this with 0.6.2 but since we had also to land the OTLP config, this should go soon with 0.7.0 out.

[odorT]

thanks for the information 👍