[docs] Update @mui/icons-material install command to use 6.x version (#45810)

Signed-off-by: Nick Kowalchuk <[email protected]>
Co-authored-by: ZeeshanTamboli <[email protected]>

Author: Nickknack

docs/data/material/getting-started/installation/installation.md

@@ -122,18 +122,20 @@ To install Roboto through the Google Web Fonts CDN, add the following code insid
 To use the [font Icon component](/material-ui/icons/#icon-font-icons) or the prebuilt SVG Material Icons (such as those found in the [icon demos](/material-ui/icons/)), you must first install the [Material Icons](https://fonts.google.com/icons?icon.set=Material+Icons) font.
 You can do so with npm, or with the Google Web Fonts CDN.
 
+<!-- #npm-tag-reference -->
+
 <codeblock storageKey="package-manager">
 
 ```bash npm
-npm install @mui/icons-material
+npm install @mui/icons-material@^6.0.0
 ```
 
 ```bash pnpm
-pnpm add @mui/icons-material
+pnpm add @mui/icons-material@^6.0.0
 ```
 
 ```bash yarn
-yarn add @mui/icons-material
+yarn add @mui/icons-material@^6.0.0
 ```
 
 </codeblock>