Bump PGCG.commonItems from 15.2.0 to 15.2.1 (#2710) #patch

Updated
[PGCG.commonItems](https://github.com/ParadoxGameConverters/commonItems.NET)
from 15.2.0 to 15.2.1.

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Signed-off-by: dependabot[bot] <[email protected]>
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ImperatorToCK3/ImperatorToCK3.csproj

@@ -44,7 +44,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="MurmurHash.NETStandard" Version="1.0.0" />
-        <PackageReference Include="PGCG.commonItems" Version="15.2.0" />
+        <PackageReference Include="PGCG.commonItems" Version="15.2.1" />
         <PackageReference Include="PGCG.commonItems.SourceGenerators" Version="1.0.9" />
         <PackageReference Include="Polly" Version="8.6.3" />
         <PackageReference Include="Roslynator.Analyzers" Version="4.14.0">