Update version 1.1.0-dev -> 1.2.0-dev
Update version 1.1.0-dev -> 1.2.0-dev

neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver,neo4j/neo4j-javascript-driver