Update ClosedXML package to version 0.104.2 (#894)

## Motivation and Context (Why the change? What's the scenario?)
**ClosedXML 0.104.2** solves a vulnerability issue in
**System.IO.Packaging**:
https://github.com/ClosedXML/ClosedXML/releases/tag/0.104.2

Author: marcominerva

Directory.Packages.props

@@ -48,7 +48,7 @@
   </ItemGroup>
   <!-- Missing Strong Name (CS8002) -->
   <ItemGroup>
-    <PackageVersion Include="ClosedXML" Version="0.104.1" />
+    <PackageVersion Include="ClosedXML" Version="0.104.2" />
     <PackageVersion Include="LLamaSharp" Version="0.18.0" />
     <PackageVersion Include="LLamaSharp.Backend.Cpu" Version="0.18.0" />
     <PackageVersion Include="Pgvector" Version="0.3.0" />

service/tests/Core.FunctionalTests/DataFormats/Office/MsExcelDecoderTest.cs

@@ -16,6 +16,7 @@ public MsExcelDecoderTest(IConfiguration cfg, ITestOutputHelper output) : base(c
     [Fact]
     [Trait("Category", "UnitTest")]
     [Trait("Category", "DataFormats")]
+    [Trait("Category", "Excel")]
     public async Task ItExtractsAllTypes()
     {
         // Arrange