[doc] Sign up for 3.9 release manager
[doc] Sign up for 3.9 release manager

tkob/parrot,FROGGS/parrot,parrot/parrot,FROGGS/parrot,gagern/parrot,tewk/parrot-select,parrot/parrot,FROGGS/parrot,FROGGS/parrot,tewk/parrot-select,gagern/parrot,gitster/parrot,FROGGS/parrot,youprofit/parrot,gagern/parrot,FROGGS/parrot,gitster/parrot,gagern/parrot,youprofit/parrot,tkob/parrot,youprofit/parrot,youprofit/parrot,tewk/parrot-select,gitster/parrot,gagern/parrot,youprofit/parrot,gitster/parrot,tkob/parrot,youprofit/parrot,parrot/parrot,tkob/parrot,gitster/parrot,tewk/parrot-select,youprofit/parrot,gagern/parrot,gitster/parrot,parrot/parrot,gagern/parrot,youprofit/parrot,FROGGS/parrot,tewk/parrot-select,tewk/parrot-select,parrot/parrot,gitster/parrot,tkob/parrot,tkob/parrot,FROGGS/parrot,tewk/parrot-select,tkob/parrot,tkob/parrot