feat(infra-logging): add extraObjects field

[norbertgruszka]

Description

Latest version of loki helm chart comes with extraObjects variable which can be used to deploy additional resources. However, loki-stack chart must stayed behind, because mentioned variable is not present. Because of that I added extraObjects field to infra-logging chart.

Issues

Unable to deploy additional resources alongside loki-stack.

Checklist

• This PR contains a description of the changes I'm making
• I updated the version in Chart.yaml
• I updated the changelog with an artifacthub.io/changes annotation in Chart.yaml, check the example in the documentation.
• I updated applicable README.md files using pre-commit run
• I documented any high-level concepts I'm introducing in docs/
• CI is currently green and this is ready for review
• I am ready to test changes after they are applied and released

[hairmare]

IMO we should do #1058 instead of this

[tongpu]

I think before monkeypatching features into logging-apps we should progress with finally replacing loki-stack with loki according to #1058.

[norbertgruszka]

@hairmare @tongpu sure thing, didn't know about that issue. Closing this one then.