Format pass on 4.2 release notes [ci skip]
Format pass on 4.2 release notes [ci skip]

*   Leave two blank lines between sections/packages for readibility.

*   Always indent bullet points with four spaces. This allows multi-paragraph
    points to align properly (see #16103), and it is the same as the format we
    already use in CHANGELOGs. Doing this consistently sets an easy precedent
    for future contributors to follow.

*   Always put the PR/commit link on its own line in the source. If the bullet
    point spans multiple paragraphs, put it on its own paragraph at the end.

[Godfrey Chan & Juanito Fatas]

ngpestelos/rails,Erol/rails,betesh/rails,prathamesh-sonpatki/rails,yhirano55/rails,arunagw/rails,bogdanvlviv/rails,MichaelSp/rails,yalab/rails,elfassy/rails,ngpestelos/rails,mtsmfm/railstest,matrinox/rails,illacceptanything/illacceptanything,mathieujobin/reduced-rails-for-travis,yawboakye/rails,pvalena/rails,kmayer/rails,ngpestelos/rails,mtsmfm/rails,kamipo/rails,MSP-Greg/rails,pschambacher/rails,mtsmfm/rails,pvalena/rails,koic/rails,assain/rails,hanystudy/rails,schuetzm/rails,rbhitchcock/rails,mijoharas/rails,georgeclaghorn/rails,felipecvo/rails,gavingmiller/rails,yahonda/rails,maicher/rails,kirs/rails-1,gfvcastro/rails,kaspth/rails,yasslab/railsguides.jp,repinel/rails,yalab/rails,yawboakye/rails,Stellenticket/rails,pvalena/rails,starknx/rails,georgeclaghorn/rails,lucasmazza/rails,tjschuck/rails,deraru/rails,aditya-kapoor/rails,Spin42/rails,deraru/rails,mohitnatoo/rails,Stellenticket/rails,arunagw/rails,brchristian/rails,iainbeeston/rails,kirs/rails-1,flanger001/rails,palkan/rails,mohitnatoo/rails,eileencodes/rails,lucasmazza/rails,eileencodes/rails,illacceptanything/illacceptanything,kmayer/rails,kddeisz/rails,lcreid/rails,travisofthenorth/rails,ledestin/rails,yasslab/railsguides.jp,illacceptanything/illacceptanything,kmayer/rails,maicher/rails,pvalena/rails,baerjam/rails,vipulnsward/rails,illacceptanything/illacceptanything,untidy-hair/rails,notapatch/rails,mijoharas/rails,tgxworld/rails,gcourtemanche/rails,pschambacher/rails,stefanmb/rails,kamipo/rails,arjes/rails,shioyama/rails,Envek/rails,EmmaB/rails-1,kmcphillips/rails,assain/rails,Sen-Zhang/rails,kachick/rails,bolek/rails,maicher/rails,kenta-s/rails,eileencodes/rails,illacceptanything/illacceptanything,sealocal/rails,untidy-hair/rails,notapatch/rails,mohitnatoo/rails,palkan/rails,alecspopa/rails,samphilipd/rails,eileencodes/rails,yahonda/rails,Erol/rails,mechanicles/rails,riseshia/railsguides.kr,yawboakye/rails,notapatch/rails,Erol/rails,yawboakye/rails,starknx/rails,esparta/rails,Stellenticket/rails,Envek/rails,Vasfed/rails,samphilipd/rails,assain/rails,baerjam/rails,gcourtemanche/rails,bogdanvlviv/rails,ledestin/rails,mechanicles/rails,gfvcastro/rails,iainbeeston/rails,illacceptanything/illacceptanything,marklocklear/rails,Edouard-chin/rails,joonyou/rails,Envek/rails,tijwelch/rails,voray/rails,stefanmb/rails,joonyou/rails,brchristian/rails,untidy-hair/rails,88rabbit/newRails,amoody2108/TechForJustice,illacceptanything/illacceptanything,esparta/rails,illacceptanything/illacceptanything,assain/rails,flanger001/rails,printercu/rails,marklocklear/rails,vipulnsward/rails,baerjam/rails,utilum/rails,rails/rails,aditya-kapoor/rails,georgeclaghorn/rails,mathieujobin/reduced-rails-for-travis,hanystudy/rails,fabianoleittes/rails,Vasfed/rails,88rabbit/newRails,esparta/rails,rafaelfranca/omg-rails,rbhitchcock/rails,starknx/rails,koic/rails,samphilipd/rails,kachick/rails,yhirano55/rails,kirs/rails-1,kaspth/rails,voray/rails,Vasfed/rails,deraru/rails,tjschuck/rails,felipecvo/rails,MichaelSp/rails,ttanimichi/rails,gavingmiller/rails,coreyward/rails,matrinox/rails,vassilevsky/rails,prathamesh-sonpatki/rails,printercu/rails,xlymian/rails,rossta/rails,rafaelfranca/omg-rails,lcreid/rails,utilum/rails,aditya-kapoor/rails,bogdanvlviv/rails,schuetzm/rails,kmcphillips/rails,vipulnsward/rails,kmcphillips/rails,gfvcastro/rails,sealocal/rails,schuetzm/rails,alecspopa/rails,MichaelSp/rails,mohitnatoo/rails,vassilevsky/rails,bogdanvlviv/rails,Spin42/rails,vipulnsward/rails,illacceptanything/illacceptanything,shioyama/rails,repinel/rails,richseviora/rails,tgxworld/rails,tgxworld/rails,georgeclaghorn/rails,iainbeeston/rails,bradleypriest/rails,jeremy/rails,lucasmazza/rails,baerjam/rails,rails/rails,BlakeWilliams/rails,illacceptanything/illacceptanything,richseviora/rails,yhirano55/rails,yalab/rails,fabianoleittes/rails,coreyward/rails,betesh/rails,repinel/rails,xlymian/rails,coreyward/rails,odedniv/rails,fabianoleittes/rails,elfassy/rails,illacceptanything/illacceptanything,xlymian/rails,bolek/rails,joonyou/rails,ttanimichi/rails,flanger001/rails,palkan/rails,sergey-alekseev/rails,elfassy/rails,joonyou/rails,odedniv/rails,odedniv/rails,felipecvo/rails,richseviora/rails,tijwelch/rails,hanystudy/rails,shioyama/rails,yahonda/rails,printercu/rails,mathieujobin/reduced-rails-for-travis,sergey-alekseev/rails,tjschuck/rails,iainbeeston/rails,voray/rails,Erol/rails,schuetzm/rails,rafaelfranca/omg-rails,yhirano55/rails,repinel/rails,illacceptanything/illacceptanything,ttanimichi/rails,Sen-Zhang/rails,travisofthenorth/rails,MSP-Greg/rails,betesh/rails,kaspth/rails,gavingmiller/rails,jeremy/rails,travisofthenorth/rails,bradleypriest/rails,mechanicles/rails,notapatch/rails,Edouard-chin/rails,rails/rails,koic/rails,kenta-s/rails,mtsmfm/rails,EmmaB/rails-1,illacceptanything/illacceptanything,riseshia/railsguides.kr,mechanicles/rails,EmmaB/rails-1,Edouard-chin/rails,amoody2108/TechForJustice,deraru/rails,tijwelch/rails,matrinox/rails,tjschuck/rails,shioyama/rails,gauravtiwari/rails,kddeisz/ra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