Update company copyright in .nuspec file

DEVSIX-7229

Author: AnhelinaM

pdfSweep.nuspec

@@ -13,7 +13,7 @@
     <description>pdfSweep is an iText add-on that allows you to permanently remove or black out sensitive data from your PDF documents.</description>
     <summary />
     <releaseNotes>https://itextpdf.com/itext7release</releaseNotes>
-    <copyright>Copyright (c) 1998-2023 iText Group NV</copyright>
+    <copyright>Copyright (c) 1998-2023 Apryse Group NV</copyright>
     <language>en-US</language>
     <tags>itext itext7 itextsharp c# .net csharp pdf cleanup pdfsweep</tags>
 	<repository type="git" url="https://github.com/itext/i7j-pdfsweep.git" />