chore(dotnet): bump version to 8.0.0 to match EF Core 8 target

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: veksen

dotnet/sqlcommenter-efcore/src/QueryDoctor.SqlCommenter.EFCore/QueryDoctor.SqlCommenter.EFCore.csproj

@@ -8,7 +8,7 @@
 
     <!-- NuGet package metadata -->
     <PackageId>QueryDoctor.SqlCommenter.EFCore</PackageId>
-    <Version>0.0.1</Version>
+    <Version>8.0.0</Version>
     <Authors>Query Doctor</Authors>
     <Company>Query Doctor</Company>
     <Description>EF Core interceptor that appends SQLCommenter-formatted comments to SQL queries for query attribution and observability.</Description>