chore(deps): bump NSwag.AspNetCore from 14.0.7 to 14.0.8

Bumps [NSwag.AspNetCore](https://github.com/RicoSuter/NSwag) from 14.0.7 to 14.0.8.
- [Release notes](https://github.com/RicoSuter/NSwag/releases)
- [Changelog](https://github.com/RicoSuter/NSwag/blob/master/CHANGELOG.md)
- [Commits](RicoSuter/NSwag@v14.0.7...v14.0.8)

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

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

src/Echo.API/Echo.API.csproj

@@ -18,7 +18,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="NSwag.AspNetCore" Version="14.0.7" />
+    <PackageReference Include="NSwag.AspNetCore" Version="14.0.8" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
   </ItemGroup>