Fixed yaml example of "Migrating to sqlc-gen-kotlin" page#3454

kyleconroy merged 1 commit intosqlc-dev:mainsqlc-dev/sqlc:mainfrom

yasuharu519:fix-doc-migrating-to-sqlc-gen-kotlinyasuharu519/sqlc:fix-doc-migrating-to-sqlc-gen-kotlinCopy head branch name to clipboard