v1.16.0-cadence-v1.0.0-preview.15

What's Changed

• Dependency Manager: Allow adding found dependencies to deployments interactively by @chasefleming in #1479
• Support previewnet for accounts create by @chasefleming in #1476
• Add Cadence V0.42->V1.0 Update Checker to staging by @jribbink in #1469
• Merge master into feature/stable-cadence by @jribbink in #1486

Full Changelog: v1.15.0-cadence-v1.0.0-preview.14...v1.16.0-cadence-v1.0.0-preview.15