Bump Dapper from 2.1.15 to 2.1.28

Bumps [Dapper](https://github.com/DapperLib/Dapper) from 2.1.15 to 2.1.28.
- [Release notes](https://github.com/DapperLib/Dapper/releases)
- [Commits](DapperLib/Dapper@2.1.15...2.1.28)

---
updated-dependencies:
- dependency-name: Dapper
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Directory.Packages.props

@@ -27,7 +27,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageVersion>
     <PackageVersion Include="CSharpFunctionalExtensions" Version="2.40.3" />
-    <PackageVersion Include="Dapper" Version="2.1.15" />
+    <PackageVersion Include="Dapper" Version="2.1.28" />
     <PackageVersion Include="FastEndpoints" Version="5.18.0" />
     <PackageVersion Include="FastEndpoints.ApiExplorer" Version="2.2.0" />
     <PackageVersion Include="FastEndpoints.Swagger" Version="5.18.0" />