test: use f-strings in feature_notifications.py
test: use f-strings in feature_notifications.py

domob1812/bitcoin,mruddy/bitcoin,fujicoin/fujicoin,Xekyo/bitcoin,jambolo/bitcoin,pataquets/namecoin-core,bitcoinsSG/bitcoin,prusnak/bitcoin,sipsorcery/bitcoin,tecnovert/particl-core,jlopp/statoshi,sstone/bitcoin,domob1812/namecore,GroestlCoin/bitcoin,ajtowns/bitcoin,mruddy/bitcoin,particl/particl-core,kallewoof/bitcoin,fanquake/bitcoin,jambolo/bitcoin,mm-s/bitcoin,bitcoinknots/bitcoin,domob1812/namecore,Xekyo/bitcoin,GroestlCoin/GroestlCoin,instagibbs/bitcoin,yenliangl/bitcoin,domob1812/namecore,jambolo/bitcoin,pataquets/namecoin-core,lateminer/bitcoin,namecoin/namecore,sstone/bitcoin,Xekyo/bitcoin,MarcoFalke/bitcoin,bitcoinknots/bitcoin,anditto/bitcoin,fujicoin/fujicoin,mm-s/bitcoin,domob1812/bitcoin,prusnak/bitcoin,GroestlCoin/GroestlCoin,Xekyo/bitcoin,bitcoin/bitcoin,GroestlCoin/GroestlCoin,lateminer/bitcoin,mm-s/bitcoin,fanquake/bitcoin,domob1812/namecore,prusnak/bitcoin,mruddy/bitcoin,bitcoin/bitcoin,kallewoof/bitcoin,pataquets/namecoin-core,fujicoin/fujicoin,dscotese/bitcoin,fanquake/bitcoin,pataquets/namecoin-core,bitcoin/bitcoin,fujicoin/fujicoin,yenliangl/bitcoin,Xekyo/bitcoin,yenliangl/bitcoin,andreaskern/bitcoin,namecoin/namecoin-core,prusnak/bitcoin,namecoin/namecore,Xekyo/bitcoin,achow101/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,namecoin/namecore,MarcoFalke/bitcoin,particl/particl-core,dscotese/bitcoin,achow101/bitcoin,jamesob/bitcoin,tecnovert/particl-core,GroestlCoin/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,dscotese/bitcoin,domob1812/bitcoin,namecoin/namecoin-core,instagibbs/bitcoin,instagibbs/bitcoin,kallewoof/bitcoin,lateminer/bitcoin,ajtowns/bitcoin,lateminer/bitcoin,GroestlCoin/bitcoin,AkioNak/bitcoin,mm-s/bitcoin,jamesob/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,AkioNak/bitcoin,ajtowns/bitcoin,sstone/bitcoin,fanquake/bitcoin,sipsorcery/bitcoin,fanquake/bitcoin,namecoin/namecore,bitcoin/bitcoin,jlopp/statoshi,jlopp/statoshi,namecoin/namecoin-core,fanquake/bitcoin,anditto/bitcoin,GroestlCoin/GroestlCoin,GroestlCoin/bitcoin,andreaskern/bitcoin,anditto/bitcoin,sipsorcery/bitcoin,GroestlCoin/GroestlCoin,fujicoin/fujicoin,prusnak/bitcoin,dscotese/bitcoin,mruddy/bitcoin,particl/particl-core,anditto/bitcoin,MarcoFalke/bitcoin,jlopp/statoshi,namecoin/namecore,namecoin/namecoin-core,domob1812/namecore,sstone/bitcoin,AkioNak/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,domob1812/bitcoin,lateminer/bitcoin,GroestlCoin/bitcoin,bitcoinsSG/bitcoin,bitcoinsSG/bitcoin,jamesob/bitcoin,jambolo/bitcoin,particl/particl-core,sipsorcery/bitcoin,tecnovert/particl-core,mruddy/bitcoin,mm-s/bitcoin,kallewoof/bitcoin,MarcoFalke/bitcoin,andreaskern/bitcoin,sstone/bitcoin,mm-s/bitcoin,MarcoFalke/bitcoin,lateminer/bitcoin,namecoin/namecore,instagibbs/bitcoin,yenliangl/bitcoin,GroestlCoin/bitcoin,pataquets/namecoin-core,fujicoin/fujicoin,AkioNak/bitcoin,dscotese/bitcoin,domob1812/bitcoin,jlopp/statoshi,achow101/bitcoin,bitcoinsSG/bitcoin,tecnovert/particl-core,andreaskern/bitcoin,bitcoinknots/bitcoin,mruddy/bitcoin,kallewoof/bitcoin,sipsorcery/bitcoin,andreaskern/bitcoin,jambolo/bitcoin,bitcoinsSG/bitcoin,ajtowns/bitcoin,jamesob/bitcoin,anditto/bitcoin,dscotese/bitcoin,instagibbs/bitcoin,particl/particl-core,jamesob/bitcoin,jambolo/bitcoin,sstone/bitcoin,yenliangl/bitcoin,ajtowns/bitcoin,anditto/bitcoin,ajtowns/bitcoin,prusnak/bitcoin,bitcoin/bitcoin,achow101/bitcoin,instagibbs/bitcoin,achow101/bitcoin,MarcoFalke/bitcoin,domob1812/bitcoin,jlopp/statoshi,particl/particl-core,pataquets/namecoin-core,jamesob/bitcoin,bitcoinknots/bitcoin,sipsorcery/bitcoin,bitcoinknots/bitcoin,domob1812/namecore,achow101/bitcoin,yenliangl/bitcoin,bitcoin/bitcoin,andreaskern/bitcoin,AkioNak/bitcoin