Patch release 4.3.9 ci: create release script (#2142) [Daniel Vaz Gaspar] fix: wtforms compat on 3.1.0 (#2138) [Daniel Vaz Gaspar] docs: fix RTD config requirements (#2140) [Daniel Vaz Gaspar] docs: fix RTD config (#2139) [Daniel Vaz Gaspar] docs: add RTD required config (#2135) [Daniel Vaz Gaspar]