Merge branch 'master' into 'master'

update python examples to v8

See merge request !442

examples/python/appstream.py

 #!/usr/bin/python
 
 import gi
-gi.require_version('Pamac', '1.0')
+gi.require_version('Pamac', '8.0')
 from gi.repository import Pamac
 
 def print_pkg_details (details):

examples/python/empty_transaction.py

 #!/usr/bin/python
 
 import gi
-gi.require_version('Pamac', '1.0')
+gi.require_version('Pamac', '8.0')
 from gi.repository import GLib, Pamac
 
 def on_emit_action (transaction, action, data):

examples/python/list_installed_pkgs.py

 #!/usr/bin/python
 
 import gi
-gi.require_version('Pamac', '1.0')
+gi.require_version('Pamac', '8.0')
 from gi.repository import Pamac
 
 def list_installed_pkgs():

examples/python/list_installed_pkgs_async.py

 #!/usr/bin/python
 
 import gi
-gi.require_version('Pamac', '1.0')
+gi.require_version('Pamac', '8.0')
 from gi.repository import GLib, Pamac
 
 def on_installed_pkgs_ready_callback(source_object, result, user_data):

examples/python/test-infos.py

@@ -18,7 +18,7 @@ import subprocess
 import locale
 from datetime import date
 import unittest
-gi.require_version('Pamac', '1.0')
+gi.require_version('Pamac', '8.0')
 # import xml /usr/share/gir-1.0/Pamac-1.0.gir
 from gi.repository import GLib, Pamac