v1.15.0

What's Changed

• Update PULL_REQUEST_TEMPLATE.md by @Drarig29 in #645
• [synthetics] Clean jest tests by @Drarig29 in #641
• [synthetics] result.device should be optional by @Drarig29 in #642
• [synthetics] Summary.batchId should be required by @Drarig29 in #643
• [synthetics] Upload new applications by @KevinYeramian in #621
• [synthetics] Make jUnit reports compatible with GitLab by @Drarig29 in #647
• [synthetics] Ensure suite file path is relative to repo by @Drarig29 in #648
• [dep] Bump vm2 dependency resolution to v3.9.11 by @lefebvree in #651

Full Changelog: v1.14.2...v1.15.0