bug: Remove upper-bound version constraint from SCI

Fixes: open-feature#170

See: open-feature#136, open-feature#137, open-feature#170
Signed-off-by: Austin Drenski <[email protected]>

Author: austindrenski

build/Common.props

@@ -24,6 +24,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Collections.Immutable" Version="[1.7.1, 8.0.0)" />
+    <PackageReference Include="System.Collections.Immutable" Version="[1.7.1,)" />
   </ItemGroup>
 </Project>