Switch timestamp server to use Sha256 version

(cherry picked from commit aa7f542)

Author: danielmarbach

src/Setup/ServiceInsight.aip

@@ -343,7 +343,7 @@
     <ROW Path="&lt;AI_DICTS&gt;ui_en.ail"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.DigCertStoreComponent">
-    <ROW TimeStampUrl="http://timestamp.digicert.com/?alg=sha1" SignerDescription="Particular ServiceInsight" DescriptionUrl="http://www.nservicebus.com" SignOptions="7" SignTool="0" Thumbprint="11b319724eaacd57d9df429926f77fc47e544e2b Subject: NServiceBus Ltd&#10;Issuer: DigiCert SHA2 Assured ID Code Signing CA&#10;Valid from 11/05/2020 to 01/30/2024"/>
+    <ROW TimeStampUrl="http://timestamp.digicert.com/?alg=sha256" SignerDescription="Particular ServiceInsight" DescriptionUrl="http://www.nservicebus.com" SignOptions="7" SignTool="0" Thumbprint="11b319724eaacd57d9df429926f77fc47e544e2b Subject: NServiceBus Ltd&#10;Issuer: DigiCert SHA2 Assured ID Code Signing CA&#10;Valid from 11/05/2020 to 01/30/2024"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.FragmentComponent">
     <ROW Fragment="CommonUI.aip" Path="&lt;AI_FRAGS&gt;CommonUI.aip"/>