v4.2.3

Fix

• Update urllib3 for audit issue (#239) (ab36d0c)
• Enable LocalNet dispensing after 30000 rounds (#226) (d1f8693)
• Use extra pages available when deploying (#217) (afda7ac)

Documentation

• Remove html docs and gh pages; tweak md docstrings to convert to regular python code blocks (#205) (4db24ba)