Fix icons link

Author: bergdahl

README.md

@@ -5,7 +5,7 @@ format suitable for use in [FreeTouchDeck](https://github.com/DustinWatts/FreeTo
 makes icons in JPEG format for use with the _dev_ branch. Additionally it creates PNG files in the same size, for use in similar projects.
 
 ## Download icons
-You can download the [icons.zip](https://github.com/bergdahl/FreeTouchDeck-MaterialDesignIcons/releases/download/v2021.9/icons.zip) file from the Releases tab, it contains 7296 different icons.
+You can download the [icons.zip](https://github.com/bergdahl/FreeTouchDeck-MaterialDesignIcons/releases/download/v2023.3/icons.zip) file from the Releases tab, it contains 7296 different icons.
 
 Use the web site [https://materialdesignicons.com/](https://materialdesignicons.com/) for interactive searchs for suitable icons.
 
@@ -19,4 +19,4 @@ Install Python requirements first:
 
 _Note: On macOS it may be necessary to install vips using Brew first:_
 
-`brew install vips`
+`brew install vips`