v7.22.2

Fix

• Ignore malformed ToUnicode bfranges instead of reserving ~4G map entries (#381) (6d7ccf2)
• Take the pattern name by value in do_pattern_fill (#382) (92ee655)
• Read font directory env vars wide on Windows (#364) (0c0eff2)
• Translate widget and hyperlink rects to the page boundary (#376) (6b5b6fd)