Pull request project-chip#2103: Fix outdated readme links

Merge in WMN_TOOLS/matter from readme_fix/v2.3.1-1.3 to RC_2.3.1-1.3

Squashed commit of the following:

commit e5830b66a2f240a9376d5b9b3aa0bf606c253312
Author: Rehan Rasool <Rehan.Rasool@silabs.com>
Date:   Fri Jan 31 13:39:58 2025 -0500

    Fix readme links

Author: rerasool

README.md

@@ -29,12 +29,12 @@ Device: SiWx917 SoC
 This repo contains documentation, demos, examples and all the code needed for Matter Accessory Device development on both Thread and Wi-Fi. The Thread development use cases differs from Wi-Fi because the Thread protocol requires the use of an Open Thread Border Router (OTBR).  
 
 -   To get started with the Thread demo and development see
-    [Matter Thread](https://siliconlabs.github.io/matter/2.3.0-1.3-alpha.2/thread/DEMO_OVERVIEW.html)
+    [Matter Thread](https://siliconlabs.github.io/matter/2.3.1-1.3/thread/DEMO_OVERVIEW.html)
 -   To get started with the Wi-Fi demo and development see
-    [Matter Wi-Fi](https://siliconlabs.github.io/matter/2.3.0-1.3-alpha.2/wifi/DEMO_OVERVIEW.html)
+    [Matter Wi-Fi](https://siliconlabs.github.io/matter/2.3.1-1.3/wifi/DEMO_OVERVIEW.html)
 
 The full documentation set starts here:
-[Silicon Labs Matter GitHub Documentation](https://siliconlabs.github.io/matter/2.3.0-1.3-alpha.2)
+[Silicon Labs Matter GitHub Documentation](https://siliconlabs.github.io/matter/2.3.1-1.3)
 
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