Bump Swashbuckle.AspNetCore from 6.7.3 to 6.8.0 in /dev-proxy (#892)

Bumps [Swashbuckle.AspNetCore](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 6.7.3 to 6.8.0.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v6.7.3...v6.8.0)

---
updated-dependencies:
- dependency-name: Swashbuckle.AspNetCore
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

dev-proxy/dev-proxy.csproj

@@ -39,7 +39,7 @@
     <PackageReference Include="Microsoft.OpenApi.Readers" Version="1.6.21" />
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="17.11.20" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.7.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.8.0" />
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.0.2" />
     <PackageReference Include="Unobtanium.Web.Proxy" Version="0.1.5" />