Fix link in CHANGELOG for #1853
Fix link in CHANGELOG for #1853

markshao/pytest,malinoff/pytest,eli-b/pytest,MichaelAquilina/pytest,tgoodlet/pytest,vmalloc/dessert,pfctdayelise/pytest,The-Compiler/pytest,ddboline/pytest,txomon/pytest,flub/pytest,tomviner/pytest,The-Compiler/pytest,hackebrot/pytest,davidszotten/pytest,nicoddemus/pytest,etataurov/pytest,tareqalayan/pytest,hpk42/pytest,pytest-dev/pytest,skylarjhdownes/pytest,jaraco/pytest,alfredodeza/pytest,nicoddemus/pytest,tomviner/pytest,hpk42/pytest,RonnyPfannschmidt/pytest,rmfitzpatrick/pytest,Akasurde/pytest