drupal-environment#14 Add webserver response headers by traefik labels

src/Handler.php

@@ -125,7 +125,7 @@ class Handler extends BaseHandler {
           'strict_transport_security' => 'max-age=31536000; includeSubDomains',
           'referrer_policy' => 'same-origin',
           'permissions_policy' => 'accelerometer=(), camera=(), geolocation=(), gyroscope=(), microphone=(), payment=(), usb=()',
-          'cross_origin_embedder_policy' => 'unsafe-none',
+          'cross_origin_embedder_policy' => 'credentialless',
           'cross_origin_opener_policy' => 'same-origin',
           'cross_origin_resource_policy' => 'cross-origin',
           'x_permitted_cross_domain_policies' => 'none',