fix: clients/src/MvcAutomaticTokenManagement/MvcAutomaticTokenManagem…

…ent.csproj to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DOTNET-MICROSOFTIDENTITYMODELJSONWEBTOKENS-6148656
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMIDENTITYMODELTOKENSJWT-6148655

clients/src/MvcAutomaticTokenManagement/MvcAutomaticTokenManagement.csproj

@@ -6,7 +6,7 @@
 
     <ItemGroup>
         <PackageReference Include="IdentityModel.AspNetCore" Version="4.0.0"/>
-        <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="6.0.0"/>
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="6.0.26"/>
         <PackageReference Include="Serilog.AspNetCore" Version="4.1.0"/>
 
         <PackageReference Include="OpenTelemetry"  />