fix(deps): update dependencies to 8.0.21 (#1003)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Zitadel/Zitadel.csproj

@@ -27,8 +27,8 @@
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-        <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.20"/>
-        <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="8.0.20"/>
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.21"/>
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="8.0.21"/>
     </ItemGroup>
 
 </Project>