Concatenate newline into new string (#16285)
Concatenate newline into new string (#16285)

Appending to the existing string inline crashes on ruby 2.7 because the string
is frozen.

Fixes: #16113
KrauseFx/fastlane,lacostej/fastlane,fastlane/fastlane,mbogh/fastlane,lacostej/fastlane,taquitos/fastlane,Econa77/fastlane,icecrystal23/fastlane,bassrock/fastlane,mbogh/fastlane,icecrystal23/fastlane,mbogh/fastlane,mbogh/fastlane,icecrystal23/fastlane,mbogh/fastlane,manuyavuz/fastlane,kazuhidet/fastlane,nafu/fastlane,manuyavuz/fastlane,taquitos/fastlane,manuyavuz/fastlane,bolom/fastlane,fastlane/fastlane,icecrystal23/fastlane,kazuhidet/fastlane,KrauseFx/fastlane,kazuhidet/fastlane,nafu/fastlane,brbulic/fastlane,manuyavuz/fastlane,brbulic/fastlane,bolom/fastlane,taquitos/fastlane,bolom/fastlane,Econa77/fastlane,kazuhidet/fastlane,cpk1/fastlane,fastlane/fastlane,kazuhidet/fastlane,bassrock/fastlane,bassrock/fastlane,cpk1/fastlane,cpk1/fastlane,brbulic/fastlane,brbulic/fastlane,bassrock/fastlane,taquitos/fastlane,bolom/fastlane,Econa77/fastlane,bolom/fastlane,fastlane/fastlane,mbogh/fastlane,lacostej/fastlane,lacostej/fastlane,KrauseFx/fastlane,icecrystal23/fastlane,icecrystal23/fastlane,manuyavuz/fastlane,fastlane/fastlane,nafu/fastlane,cpk1/fastlane,KrauseFx/fastlane,lacostej/fastlane,kohtenko/fastlane,brbulic/fastlane,manuyavuz/fastlane,fastlane/fastlane,mbogh/fastlane,nafu/fastlane,KrauseFx/fastlane,Econa77/fastlane,taquitos/fastlane,manuyavuz/fastlane,cpk1/fastlane,cpk1/fastlane,Econa77/fastlane,kazuhidet/fastlane,nafu/fastlane,nafu/fastlane,Econa77/fastlane,taquitos/fastlane,lacostej/fastlane,bassrock/fastlane,KrauseFx/fastlane,cpk1/fastlane,bolom/fastlane,bolom/fastlane,kazuhidet/fastlane,bassrock/fastlane,kohtenko/fastlane,brbulic/fastlane,Econa77/fastlane,KrauseFx/fastlane,brbulic/fastlane,nafu/fastlane,taquitos/fastlane