Merge pull request #5388 from arangodb-helper/new_arangodb_version_3.4.2

Please upgrade to the ArangoDB Release 3.4.2

library/arangodb

@@ -7,6 +7,6 @@
 3.2.17: https://github.com/arangodb/arangodb-docker@b4c22ad8bf4facbbc7c3b24e985251a09fcdbcec stretch/3.2.17
 3.3: https://github.com/arangodb/arangodb-docker@c77fa2b9bca45deb37e2a709dead1147541857ba stretch/3.3.21
 3.3.21: https://github.com/arangodb/arangodb-docker@c77fa2b9bca45deb37e2a709dead1147541857ba stretch/3.3.21
-3.4: https://github.com/arangodb/arangodb-docker@c98889cf79d8cdeaf56cdedb0c8748ca434f1094 alpine/3.4.1
-3.4.1: https://github.com/arangodb/arangodb-docker@c98889cf79d8cdeaf56cdedb0c8748ca434f1094 alpine/3.4.1
-latest: https://github.com/arangodb/arangodb-docker@c98889cf79d8cdeaf56cdedb0c8748ca434f1094 alpine/3.4.1
+3.4: https://github.com/arangodb/arangodb-docker@578ef00c6b3e44fc39cabdbd4aa5b2a5d538e5b9 alpine/3.4.2
+3.4.2: https://github.com/arangodb/arangodb-docker@578ef00c6b3e44fc39cabdbd4aa5b2a5d538e5b9 alpine/3.4.2
+latest: https://github.com/arangodb/arangodb-docker@578ef00c6b3e44fc39cabdbd4aa5b2a5d538e5b9 alpine/3.4.2