chore(deps): update dependency microsoft.identitymodel.protocols.openidconnect to 8.19.1

Author: github-actions[bot]

src/Workleap.Authentication.ClientCredentialsGrant.Tests/Workleap.Authentication.ClientCredentialsGrant.Tests.csproj

@@ -29,6 +29,6 @@
 
   <ItemGroup>
     <!-- Explicit version required to avoid automatic downgrade to 7.0 which causes "The signature key was not found" error -->
-    <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.18.0" />
+    <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.19.1" />
   </ItemGroup>
 </Project>