Release Helm Chart app version for 2.9.10 so it can be pulled from grafana/loki

[earimont-ib]

Describe the bug
helm pull grafana/loki --version 2.9.10 does not work

https://github.com/grafana/loki/blob/v2.9.10/production/helm/loki/Chart.yaml#L5-L6

To Reproduce
Steps to reproduce the behavior:

1. helm search repo grafana/loki --versions
2. Last CHART VERSION 5.48.0
3. Last APP VERSION 2.9.6

Expected behavior
A clear and concise description of what you expected to happen.

Environment:

• Infrastructure: [e.g., Kubernetes, bare-metal, laptop]
• Deployment tool: [e.g., helm, jsonnet]

Screenshots, Promtail config, or terminal output
If applicable, add any output to help explain your problem.