Bump got and ember-try

Bumps [got](https://github.com/sindresorhus/got) to 12.6.1 and updates ancestor dependency [ember-try](https://github.com/ember-cli/ember-try). These dependencies need to be updated together.


Updates `got` from 6.7.1 to 12.6.1
- [Release notes](https://github.com/sindresorhus/got/releases)
- [Commits](sindresorhus/got@v6.7.1...v12.6.1)

Updates `ember-try` from 1.4.0 to 3.0.0
- [Release notes](https://github.com/ember-cli/ember-try/releases)
- [Changelog](https://github.com/ember-cli/ember-try/blob/master/CHANGELOG.md)
- [Commits](ember-cli/ember-try@v1.4.0...v3.0.0)

---
updated-dependencies:
- dependency-name: got
  dependency-type: indirect
- dependency-name: ember-try
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]