chore(algolia): add synonyms "price <-> cost" and "ghg <-> greenhouse gas"
chore(algolia): add synonyms "price <-> cost" and "ghg <-> greenhouse gas"

OurWorldInData/owid-grapher,owid/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/owid-grapher