Jem Aswad Senior Music EditorGrammy-nominated singer-songwriter Olivia Rodrigo — who was honored at Variety’s Hitmakers awards on Saturday — has announced dates for the her 2022 “Sour Tour” in support of her RIAA double-platinum certified debut album, “Sour.”Kicking off April 2 in San Francisco, the tour will visit more than 40 major cities across North America and Europe, including two-night runs at Radio City Music Hall in New York and L.A.’s Greek Theatre before wrapping with two nights at