FTPFS: Add FTPS support to the FTPFS opener.

Enable TLS when using the ftps:// protocol

Author: odgalvin

fs/opener/ftpfs.py

@@ -23,7 +23,7 @@
 class FTPOpener(Opener):
     """`FTPFS` opener."""
 
-    protocols = ["ftp"]
+    protocols = ["ftp", "ftps"]
 
     @CreateFailed.catch_all
     def open_fs(
@@ -48,6 +48,7 @@ def open_fs(
             passwd=parse_result.password,
             proxy=parse_result.params.get("proxy"),
             timeout=int(parse_result.params.get("timeout", "10")),
+            tls=bool(parse_result.protocol == "ftps"),
         )
         if dir_path:
             if create: