seafile-seahub: Update to 6.3.4

Switch to codeload for simplicity and easier package bumping.

Added dependency on pytz on build time as django-admin requires it.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/seafile-seahub/patches/010-default-config.patch

@@ -1,6 +1,6 @@
 --- a/seahub/settings.py
 +++ b/seahub/settings.py
-@@ -47,7 +47,7 @@ SITE_ID = 1
+@@ -46,7 +46,7 @@ SITE_ID = 1
  
  # If you set this to False, Django will make some optimizations so as not
  # to load the internationalization machinery.
@@ -9,7 +9,7 @@
  
  # If you set this to False, Django will not format dates, numbers and
  # calendars according to the current locale.
-@@ -310,7 +310,7 @@ SHARE_LINK_EMAIL_LANGUAGE = ''
+@@ -339,7 +339,7 @@ SHARE_LINK_EMAIL_LANGUAGE = ''
  ENABLE_UPLOAD_LINK_VIRUS_CHECK = False
  
  # mininum length for user's password
@@ -18,7 +18,7 @@
  
  # LEVEL based on four types of input:
  # num, upper letter, lower letter, other symbols
-@@ -319,7 +319,7 @@ USER_PASSWORD_STRENGTH_LEVEL = 3
+@@ -348,7 +348,7 @@ USER_PASSWORD_STRENGTH_LEVEL = 3
  
  # default False, only check USER_PASSWORD_MIN_LENGTH
  # when True, check password strength level, STRONG(or above) is allowed