Update docs/features/source-generators.cookbook.md
Update docs/features/source-generators.cookbook.md

Co-Authored-By: Phillip Carter <9dbe5f93010714d7e119b0cd422a92e83ced1eea@fastmail.com>
tannergooding/roslyn,heejaechang/roslyn,diryboy/roslyn,heejaechang/roslyn,reaction1989/roslyn,diryboy/roslyn,bartdesmet/roslyn,aelij/roslyn,weltkante/roslyn,shyamnamboodiripad/roslyn,sharwell/roslyn,jasonmalinowski/roslyn,ErikSchierboom/roslyn,KevinRansom/roslyn,eriawan/roslyn,stephentoub/roslyn,KevinRansom/roslyn,KirillOsenkov/roslyn,mgoertz-msft/roslyn,mavasani/roslyn,panopticoncentral/roslyn,AlekseyTs/roslyn,bartdesmet/roslyn,eriawan/roslyn,genlu/roslyn,gafter/roslyn,panopticoncentral/roslyn,KirillOsenkov/roslyn,davkean/roslyn,wvdd007/roslyn,heejaechang/roslyn,ErikSchierboom/roslyn,aelij/roslyn,CyrusNajmabadi/roslyn,tmat/roslyn,weltkante/roslyn,mavasani/roslyn,ErikSchierboom/roslyn,wvdd007/roslyn,shyamnamboodiripad/roslyn,jasonmalinowski/roslyn,dotnet/roslyn,stephentoub/roslyn,AlekseyTs/roslyn,wvdd007/roslyn,davkean/roslyn,dotnet/roslyn,physhi/roslyn,mgoertz-msft/roslyn,sharwell/roslyn,AmadeusW/roslyn,shyamnamboodiripad/roslyn,weltkante/roslyn,physhi/roslyn,jmarolf/roslyn,tmat/roslyn,AlekseyTs/roslyn,AmadeusW/roslyn,dotnet/roslyn,reaction1989/roslyn,reaction1989/roslyn,mavasani/roslyn,stephentoub/roslyn,mgoertz-msft/roslyn,gafter/roslyn,eriawan/roslyn,KirillOsenkov/roslyn,AmadeusW/roslyn,bartdesmet/roslyn,tmat/roslyn,jmarolf/roslyn,tannergooding/roslyn,brettfo/roslyn,jmarolf/roslyn,panopticoncentral/roslyn,gafter/roslyn,tannergooding/roslyn,brettfo/roslyn,davkean/roslyn,CyrusNajmabadi/roslyn,physhi/roslyn,KevinRansom/roslyn,aelij/roslyn,diryboy/roslyn,brettfo/roslyn,sharwell/roslyn,CyrusNajmabadi/roslyn,genlu/roslyn,jasonmalinowski/roslyn,genlu/roslyn