doc: 42.1.1 is released, update versions in readme.md
doc: 42.1.1 is released, update versions in readme.md

pgjdbc/pgjdbc,whitingjr/pgjdbc,jorsol/pgjdbc,marschall/pgjdbc,panchenko/pgjdbc,davecramer/pgjdbc,jorsol/pgjdbc,whitingjr/pgjdbc,panchenko/pgjdbc,marschall/pgjdbc,zapov/pgjdbc,lordnelson/pgjdbc,pgjdbc/pgjdbc,davecramer/pgjdbc,sehrope/pgjdbc,golovnin/pgjdbc,golovnin/pgjdbc,zemian/pgjdbc,zapov/pgjdbc,jorsol/pgjdbc,sehrope/pgjdbc,sehrope/pgjdbc,whitingjr/pgjdbc,lordnelson/pgjdbc,jorsol/pgjdbc,marschall/pgjdbc,davecramer/pgjdbc,jkutner/pgjdbc,zemian/pgjdbc,panchenko/pgjdbc,AlexElin/pgjdbc,zemian/pgjdbc,pgjdbc/pgjdbc,zapov/pgjdbc,sehrope/pgjdbc,AlexElin/pgjdbc,marschall/pgjdbc,pgjdbc/pgjdbc,AlexElin/pgjdbc,jkutner/pgjdbc,lordnelson/pgjdbc,jkutner/pgjdbc,davecramer/pgjdbc,golovnin/pgjdbc