chore: Bump Microsoft.AspNetCore.OpenApi from 8.0.17 to 8.0.20

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.OpenApi
  dependency-version: 8.0.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

PaymentCoreServiceApi.csproj

@@ -15,7 +15,7 @@
         <PackageReference Include="MediatR" Version="10.0.0" />
         <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="9.0.0" />
         <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.0" />
-        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.17" />
+        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.20" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.10">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>