Bump Npgsql from 6.0.2 to 6.0.11 in /src/server/Services

Bumps [Npgsql](https://github.com/npgsql/npgsql) from 6.0.2 to 6.0.11.
- [Release notes](https://github.com/npgsql/npgsql/releases)
- [Commits](npgsql/npgsql@v6.0.2...v6.0.11)

---
updated-dependencies:
- dependency-name: Npgsql
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/server/Services/Services.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="System.DirectoryServices.AccountManagement" Version="4.5.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="MySql.Data" Version="8.0.28" />
-    <PackageReference Include="Npgsql" Version="6.0.2" />
+    <PackageReference Include="Npgsql" Version="6.0.11" />
     <PackageReference Include="System.Data.OracleClient" Version="1.0.8" />
     <PackageReference Include="Google.Cloud.BigQuery.V2" Version="2.3.0" />
   </ItemGroup>