replace deprecated functions

src/Controller/ManageMembersController.php

@@ -130,7 +130,7 @@ class ManageMembersController extends EntityController {
     }
 
     // Build the message shown when there are no bundles.
-    $type_label = $type_definition->getLowercaseLabel();
+    $type_label = $type_definition->getSingularLabel();
     $link_text = $this->t('Add a new @entity_type.', ['@entity_type' => $type_label]);
     $build['#add_bundle_message'] = $this->t('There is no @entity_type yet. @add_link', [
       '@entity_type' => $type_label,

src/Flysystem/Adapter/FedoraAdapter.php

@@ -8,6 +8,7 @@ use League\Flysystem\Adapter\Polyfill\NotSupportingVisibilityTrait;
 use League\Flysystem\Adapter\Polyfill\StreamedCopyTrait;
 use League\Flysystem\Config;
 use GuzzleHttp\Psr7;
+use GuzzleHttp\Psr7\Header;
 use GuzzleHttp\Psr7\Response;
 use GuzzleHttp\Psr7\StreamWrapper;
 use Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesserInterface;
@@ -144,7 +145,7 @@ class FedoraAdapter implements AdapterInterface {
     // NonRDFSource's are considered files.  Everything else is a
     // directory.
     $type = 'dir';
-    $links = Psr7\parse_header($response->getHeader('Link'));
+    $links = Header::parse($response->getHeader('Link'));
     foreach ($links as $link) {
       if ($link['rel'] == 'type' && $link[0] == '<http://www.w3.org/ns/ldp#NonRDFSource>') {
         $type = 'file';