add 10.0.0 upgrade guide for alerting tpl processing

Signed-off-by: waterdrag0n <[email protected]>

Author: waterdrag0n

charts/grafana/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: grafana
-version: 9.4.5
+version: 10.0.0
 appVersion: 12.1.1
 kubeVersion: "^1.8.0-0"
 description: The leading tool for querying and visualizing time series and metrics.

charts/grafana/README.md

@@ -53,6 +53,11 @@ to `global.imageRegistry`. If you were not previously setting `global.image.regi
 is required on upgrade. If you were previously setting `global.image.registry`, you will
 need to instead set `global.imageRegistry`.
 
+### To 10.0.0
+
+Static alerting resources now support Helm templating. If you are using the `alerting` configuration,
+double curly braces must be escaped using `{{ "{{" }}` syntax to prevent unintended template processing.
+
 ## Configuration
 
 | Parameter                                 | Description                                   | Default                                                 |
@@ -681,7 +686,7 @@ The two possibilities for static alerting resource provisioning are:
 * The format of the files is defined in the [Grafana documentation](https://grafana.com/docs/grafana/next/alerting/set-up/provision-alerting-resources/file-provisioning/) on file provisioning.
 * The chart supports importing YAML and JSON files.
 * The filename must be unique, otherwise one volume mount will overwrite the other.
-* In case of inlining, double curly braces that arise from the Grafana configuration format and are not intended as templates for the chart must be escaped.
+* Alerting configurations support Helm templating. Double curly braces that arise from the Grafana configuration format and are not intended as templates for the chart must be escaped.
 * The number of total files under `alerting:` is not limited. Each file will end up as a volume mount in the corresponding provisioning folder of the deployed Grafana instance.
 * The file size for each import is limited by what the function `.Files.Get` can handle, which suffices for most cases.