fix(tuto): meta (#4845)

* fix(tuto): meta

* Update index.mdx

---------

Co-authored-by: Benedikt Rollik <[email protected]>

Author: nerda-codes

tutorials/configure-graphite/index.mdx

@@ -1,18 +1,19 @@
-```yaml
+---
 meta:
   title: Installing and Configuring Graphite on Ubuntu 22.04
   description: This tutorial explains how to install and configure Graphite on Ubuntu 22.04
 content:
   h1: Installing and Configuring Graphite on Ubuntu 22.04
   paragraph: This tutorial explains how to install and configure Graphite on Ubuntu 22.04
 tags: Graphite Ubuntu
+categories:
   - kubernetes
   - instances
   - elastic-metal
 dates:
   validation: 2025-03-06
   posted: 2018-08-06
-```
+---
 
 Graphite is a popular tool for monitoring and visualizing time-series data. It performs two main functions:
 
@@ -206,4 +207,4 @@ You have now successfully installed and configured Graphite on **Ubuntu 22.04**.
 
 For production environments, consider using tools to automate data collection, as sending metrics via the terminal is not recommended for long-term use.
 
-For more details, refer to the [official Graphite documentation](https://graphite.readthedocs.io/en/latest/).
+For more details, refer to the [official Graphite documentation](https://graphite.readthedocs.io/en/latest/).