updated core and modules

vendor/symfony/http-foundation/File/File.php

@@ -68,7 +68,7 @@ class File extends \SplFileInfo
      * mime_content_type() and the system binary "file" (in this order), depending on
      * which of those are available.
      *
-     * @return string|null The guessed mime type (i.e. "application/pdf")
+     * @return string|null The guessed mime type (e.g. "application/pdf")
      *
      * @see MimeTypeGuesser
      */
@@ -85,7 +85,7 @@ class File extends \SplFileInfo
      * @param string $directory The destination folder
      * @param string $name      The new file name
      *
-     * @return File A File object representing the new file
+     * @return self A File object representing the new file
      *
      * @throws FileException if the target file could not be created
      */