Update OSC API to v1.4.0

v1.4.0 includes fixes for the following issues compared to v1.4.0-b2:

• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/221
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/208
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/207
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/206
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/204
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/203
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/202
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/201
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/200
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/198
• https://github.com/RA-Consulting-GmbH/openscenario.api.test/issues/136