Update NOTICE.txt

Author: snowystinger

NOTICE.txt

@@ -214,7 +214,7 @@ This codebase contains a modified portion of code from Yarn berry which can be o
 
 
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-This codebase contains a modified portion of code from Yarn berry which can be obtained at:
+This codebase contains a modified portion of code from Microsoft which can be obtained at:
   * SOURCE:
     * https://github.com/microsoft/tabster