<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
- **New Features**
- Introduced a new parameter for Grafana's database size with a default
value of 10Gi.
- **Bug Fixes**
- Updated default values for `alerta.alerts.telegram.token` and
`alerta.alerts.telegram.chatID` to empty strings.
- **Documentation**
- Revised the README to reflect changes in default parameter values and
added new parameters for Grafana.
- **Chores**
- Updated the monitoring application's version from 1.5.2 to 1.5.3.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Updated monitoring application version to 1.5.1, enhancing overall
stability.
- Introduced a new API key handling mechanism for improved security.
- Enhanced Ingress resource configurability with dynamic URL
construction.
- **Bug Fixes**
- Adjusted formatting for Ingress annotations to ensure proper
functionality.
- **Chores**
- Updated version mappings for the monitoring package in the versions
map.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
