Refresh and update the fixtures for the .ico tests to match the latest version...

Refresh and update the fixtures for the .ico tests to match the latest version of Imagemagick in Debian unstable.

tests/comparators/test_ico_image.py

@@ -63,14 +63,14 @@ def differences_meta(image1_meta, image2_meta):
 
 
 @skip_unless_tools_exist('img2txt', 'identify')
-@skip_unless_tool_is_between('identify', identify_version, '6.9.6', '6.9.8-3')
+@skip_unless_tool_is_at_least('identify', identify_version, '6.9.10-23')
 def test_diff_meta(differences_meta):
     expected_diff = get_data('ico_image_meta_expected_diff')
     assert differences_meta[-1].unified_diff == expected_diff
 
 
 @skip_unless_tools_exist('img2txt', 'identify')
-@skip_unless_tool_is_at_least('identify', identify_version, '6.9.8-4')
+@skip_unless_tool_is_at_least('identify', identify_version, '6.9.10-23')
 def test_diff_meta2(differences_meta):
     expected_diff = get_data('ico_image_meta_expected_diff_v2')
     assert differences_meta[-1].unified_diff == expected_diff

tests/data/ico_image_meta_expected_diff

 @@ -1,17 +1,17 @@
  Image format: ICO
--File size: 6.93KB
-+File size: 3.27KB
+-File size: 6926B
++File size: 3270B
  Height: 100
  Width: 100
  Orientation: Undefined