Bump Microsoft.AspNetCore.OpenApi from 8.0.13 to 8.0.19

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.OpenApi
  dependency-version: 8.0.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

apps/dotnet-webapi/VulnerableApi/VulnerableApi.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.13" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.19" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
     <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
   </ItemGroup>