Merge pull request #75 from Codeuctivity/dependabot/nuget/System.Collections.Immutable-9.0.0

Bump System.Collections.Immutable from 8.0.0 to 9.0.0

Author: stesee

PdfJsSharp/PdfJsSharp.csproj

@@ -49,7 +49,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.Collections.Immutable" Version="8.0.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>