refactor: replace usage of GrumpkinPrivateKey with EmbeddedCurveScalar#7384

benesjan merged 7 commits intomasterAztecProtocol/aztec-packages:masterfrom

07-08-refactor_replace_usage_of_grumpkinprivatekey_with_embeddedcurvescalarAztecProtocol/aztec-packages:07-08-refactor_replace_usage_of_grumpkinprivatekey_with_embeddedcurvescalarCopy head branch name to clipboard