[v9.5.x] [feat] docs; update admonition syntax (#68856)

[feat] docs; update admonition syntax (#68842)

* [feat] docs; update admonition syntax

- Standardizes according to style conventions: https://grafana.com/docs/writers-toolkit/style-guide/style-conventions/#admonitions
- Prepares docs for better, uniform admonition style.

* Remove false positives and irregularities

* false positive removal

* Update docs/sources/datasources/mysql/_index.md

* Update docs/sources/developers/angular_deprecation/angular-plugins.md

* fix link errors

* Prettify some nested blockquotes

* remoe unnecessary admonition

(cherry picked from commit 1c4bb9ca00)

Co-authored-by: Matt Dodson <47385188+MattDodsonEnglish@users.noreply.github.com>

docs/sources/panels-visualizations/configure-panel-options/index.md

@@ -86,7 +86,9 @@ Explore and export panel, panel data, and data frame JSON models.
 
 You can configure Grafana to dynamically add panels or rows to a dashboard. A dynamic panel is a panel that the system creates based on the value of a variable. Variables dynamically change your queries across all panels in a dashboard. For more information about repeating rows, refer to [Configure repeating rows](../add-organize-panels/#configure-repeating-rows).
 
-> **Note:** Repeating panels require variables to have one or more items selected; you cannot repeat a panel zero times to hide it.
+{{% admonition type="note" %}}
+Repeating panels require variables to have one or more items selected; you cannot repeat a panel zero times to hide it.
+{{% /admonition %}}
 
 To see an example of repeating panels, refer to [Prometheus dashboard with repeating panels](https://play.grafana.org/d/000000036/prometheus-repeat).