Bump DbMocker from 1.25.0 to 1.26.0 (#104)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Dapperling.Tests/Dapperling.Tests.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="DbMocker" Version="1.25.0" />
+    <PackageReference Include="DbMocker" Version="1.26.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Npgsql" Version="9.0.3" />
     <PackageReference Include="xunit" Version="2.9.2" />