Update BenchmarkDotNet to 0.15.0

---
updated-dependencies:
- dependency-name: BenchmarkDotNet
  dependency-version: 0.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

SQLHelper.SpeedTests/SQLHelper.SpeedTests.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.0" />
     <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="9.0.5" />
     <PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
     <PackageReference Include="ZString" Version="2.6.0" />