feat: add JWK support for JWT validation and update dependencies (#20)

Reviewed-on: #20
Co-authored-by: Ron Rise <ron@siteworxpro.com>
Co-committed-by: Ron Rise <ron@siteworxpro.com>

src/Http/Middleware/ScopeMiddleware.php

@@ -69,7 +69,12 @@ class ScopeMiddleware extends Middleware
                     $requiredScopes = $scopeInstance->getScopes();
 
                     // Retrieve user scopes from the request (defaults to an empty array).
-                    $userScopes = $request->getAttribute('scopes', []);
+                    $userScopes = $request->getAttribute($scopeInstance->getClaim(), []);
+
+                    if (!is_array($userScopes)) {
+                        // If user scopes are not an array, treat as no scopes provided.
+                        $userScopes = explode($scopeInstance->getSeparator(), (string) $userScopes);
+                    }
 
                     // Deny if any required scope is missing from the user's scopes.
                     if (