Update dependency Swashbuckle.AspNetCore to 6.7.3 (#984)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[Swashbuckle.AspNetCore](https://github.com/domaindrivendev/Swashbuckle.AspNetCore)
| `6.7.2` -> `6.7.3` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Swashbuckle.AspNetCore/6.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/Swashbuckle.AspNetCore/6.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/Swashbuckle.AspNetCore/6.7.2/6.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Swashbuckle.AspNetCore/6.7.2/6.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>domaindrivendev/Swashbuckle.AspNetCore
(Swashbuckle.AspNetCore)</summary>

###
[`v6.7.3`](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases/tag/v6.7.3)

##### What's Changed

- Fix nested types nullable context check by
[@&#8203;VladimirTyrin](https://github.com/VladimirTyrin) in
[domaindrivendev/Swashbuckle.AspNetCore#3043
- Use NullabilityInfoContext to determine if member is nullable by
[@&#8203;patrikwlund](https://github.com/patrikwlund) in
[domaindrivendev/Swashbuckle.AspNetCore#3046

##### New Contributors

- [@&#8203;VladimirTyrin](https://github.com/VladimirTyrin) made their
first contribution in
[domaindrivendev/Swashbuckle.AspNetCore#3043

**Full Changelog**:
domaindrivendev/Swashbuckle.AspNetCore@v6.7.2...v6.7.3

</details>

---

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♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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---

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Orso.Arpa.Api/Orso.Arpa.Api.csproj

@@ -40,7 +40,7 @@
     <PackageReference Include="NWebsec.AspNetCore.Middleware" Version="3.0.0" />
     <PackageReference Include="SixLabors.ImageSharp.Web" Version="3.1.3" />
     <PackageReference Include="SixLabors.ImageSharp.Web.Providers.Azure" Version="3.1.3" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.7.2" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.7.3" />
     <PackageReference Include="Yoh.Text.Json.NamingPolicies" Version="1.1.2" />
   </ItemGroup>