Merge pull request #425 from Accenture/dependabot/nuget/NPOI-2.6.0

Bump NPOI from 2.5.6 to 2.6.0

Author: Jakub Raczek

Ocaramba.Tests.NUnit/Ocaramba.Tests.NUnit.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="Microsoft.TestPlatform.TestHost" Version="17.4.0" />
     <PackageReference Include="NLog" Version="5.1.1" />
 
-    <PackageReference Include="NPOI" Version="2.5.6" />
+    <PackageReference Include="NPOI" Version="2.6.0" />
     <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit.Runners" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.3.1">

Ocaramba.Tests.NUnitExtentReports/Ocaramba.Tests.NUnitExtentReports.csproj

@@ -8,7 +8,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.TestPlatform.TestHost" Version="17.4.0" />
     <PackageReference Include="NLog" Version="5.1.1" />
-    <PackageReference Include="NPOI" Version="2.5.6" />
+    <PackageReference Include="NPOI" Version="2.6.0" />
     <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit.Runners" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.2.1">