Bump swashbuckle.aspnetcore.cli from 6.6.2 to 6.7.3 in /src

Bumps [swashbuckle.aspnetcore.cli](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 6.6.2 to 6.7.3.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v6.6.2...v6.7.3)

---
updated-dependencies:
- dependency-name: swashbuckle.aspnetcore.cli
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "swashbuckle.aspnetcore.cli": {
-      "version": "6.6.2",
+      "version": "6.7.3",
       "commands": [
         "swagger"
       ]