Bump ClosedXML from 0.102.2 to 0.102.3 (#34)

Bumps [ClosedXML](https://github.com/ClosedXML/ClosedXML) from 0.102.2 to 0.102.3.
- [Release notes](https://github.com/ClosedXML/ClosedXML/releases)
- [Commits](ClosedXML/ClosedXML@0.102.2...0.102.3)

---
updated-dependencies:
- dependency-name: ClosedXML
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/ExcelToA5er.csproj

@@ -26,7 +26,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="ClosedXML" Version="0.102.2" />
+    <PackageReference Include="ClosedXML" Version="0.102.3" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>