fix(helm/loki): Allow prefixing of rollout-group value and ingester name

[boldfield]

What this PR does / why we need it:

Which issue(s) this PR fixes:
Fixes #13168

Fixes #15062

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
• 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.

[trevorwhitney]

thanks for the contribution

[github-actions]

Kubernetes Manifest Diff Summary

Scenario: default-single-binary-values (Added: 0, Modified: 3, Removed: 0)

Summary:

• Added: 0

• Modified: 3

• Removed: 0

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Modified Files

loki/templates/ingester/statefulset-ingester-zone-c.yaml

*** /home/runner/work/loki/loki/output/base/default-single-binary-values/loki/templates/ingester/statefulset-ingester-zone-c.yaml	2024-12-10 16:52:55.717377902 +0000
--- /home/runner/work/loki/loki/output/pr/default-single-binary-values/loki/templates/ingester/statefulset-ingester-zone-c.yaml	2024-12-10 16:52:58.145415077 +0000
***************
*** 12,19 ****
 app.kubernetes.io/version: "3.3.1"
 app.kubernetes.io/component: ingester
 app.kubernetes.io/part-of: memberlist
- rollout-group: ingester
 name: ingester-zone-c
 annotations:
 rollout-max-unavailable: "1"
 spec:
--- 12,19 ----
 app.kubernetes.io/version: "3.3.1"
 app.kubernetes.io/component: ingester
 app.kubernetes.io/part-of: memberlist
 name: ingester-zone-c
+ rollout-group: ingester
 annotations:
 rollout-max-unavailable: "1"
 spec:

loki/templates/ingester/statefulset-ingester-zone-b.yaml

*** /home/runner/work/loki/loki/output/base/default-single-binary-values/loki/templates/ingester/statefulset-ingester-zone-b.yaml	2024-12-10 16:52:55.717377902 +0000
--- /home/runner/work/loki/loki/output/pr/default-single-binary-values/loki/templates/ingester/statefulset-ingester-zone-b.yaml	2024-12-10 16:52:58.145415077 +0000
***************
*** 12,19 ****
 app.kubernetes.io/version: "3.3.1"
 app.kubernetes.io/component: ingester
 app.kubernetes.io/part-of: memberlist
- rollout-group: ingester
 name: ingester-zone-b
 annotations:
 rollout-max-unavailable: "1"
 spec:
--- 12,19 ----
 app.kubernetes.io/version: "3.3.1"
 app.kubernetes.io/component: ingester
 app.kubernetes.io/part-of: memberlist
 name: ingester-zone-b
+ rollout-group: ingester
 annotations:
 rollout-max-unavailable: "1"
 spec:

loki/templates/ingester/statefulset-ingester-zone-a.yaml

*** /home/runner/work/loki/loki/output/base/default-single-binary-values/loki/templates/ingester/statefulset-ingester-zone-a.yaml	2024-12-10 16:52:55.717377902 +0000
--- /home/runner/work/loki/loki/output/pr/default-single-binary-values/loki/templates/ingester/statefulset-ingester-zone-a.yaml	2024-12-10 16:52:58.145415077 +0000
***************
*** 12,19 ****
 app.kubernetes.io/version: "3.3.1"
 app.kubernetes.io/component: ingester
 app.kubernetes.io/part-of: memberlist
- rollout-group: ingester
 name: ingester-zone-a
 annotations:
 rollout-max-unavailable: "1"
 spec:
--- 12,19 ----
 app.kubernetes.io/version: "3.3.1"
 app.kubernetes.io/component: ingester
 app.kubernetes.io/part-of: memberlist
 name: ingester-zone-a
+ rollout-group: ingester
 annotations:
 rollout-max-unavailable: "1"
 spec:

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Scenario: default-values (Added: 0, Modified: 0, Removed: 0)

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Scenario: ingress-values (Added: 0, Modified: 0, Removed: 0)

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• Modified: 0

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Scenario: legacy-monitoring-values (Added: 0, Modified: 0, Removed: 0)

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Scenario: simple-scalable-aws-kube-irsa-values (Added: 0, Modified: 0, Removed: 0)

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