perf(deps): bump Microsoft.AspNetCore.Authentication.JwtBearer (#289)

Bumps [Microsoft.AspNetCore.Authentication.JwtBearer](https://github.com/dotnet/aspnetcore) from 6.0.19 to 6.0.20.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v6.0.19...v6.0.20)

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

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

src/QuickstartTemplate.WebApi/QuickstartTemplate.WebApi.csproj

@@ -22,7 +22,7 @@
         <PackageReference Include="Serilog.Expressions" Version="3.4.1" />
         <PackageReference Include="Serilog.HttpClient" Version="2.0.0" />
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
-        <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.19" />
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.20" />
         <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="7.0.8" />
         <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="7.0.8" />
         <PackageReference Include="prometheus-net.AspNetCore" Version="8.0.0" />