Update ember-source to the latest version 🚀

[greenkeeper]

The devDependency ember-source was updated from 3.14.3 to 3.15.0.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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Publisher: ember-release
License: MIT

Release Notes for v3.15.0

CHANGELOG

• #17948 [DEPRECATION] Deprecate Component#isVisible per RFC #324.
• #18491 [DEPRECATION] Deprecate {{partial}} per RFC #449.
• #18441 [DEPRECATION] Deprecate use of window.ENV to configure boot options
• #18554 [BREAKING BUGFIX] Adds autotracking transaction
• #17834 [BUGFIX] Prevents autotracking ArrayProxy creation

Commits

The new version differs by 169 commits ahead by 169, behind by 45.

• d4dc4b4 Release v3.15.0
• e3bd1e5 Add v3.15.0 to CHANGELOG
• 2de2c0b Release v3.15.0-beta.5
• 1cd3aa2 Add v3.15.0-beta.5 to CHANGELOG
• 8ba212e Add v3.12.2 to CHANGELOG.md.
• e3d03ab Add v3.14.3 to CHANGELOG.md.
• 6183c16 [BUGFIX release] Ensure loader.js is transpiled via targets.
• 1edabe4 Release v3.15.0-beta.4
• ee81995 Add v3.15.0-beta.4 to CHANGELOG
• 9c01a17 Add v3.12.1 to CHANGELOG.md.
• 7b6b9d1 Add v3.14.2 to CHANGELOG.md.
• 1d9d6be [BUGFIX] Tracked Props - Prevents autotracking ArrayProxy creation
• deceab2 [DOC] #18228 Add example to EmberArray.forEach documentation (#18463)
• 1782ac5 respond to feedback
• 88003f8 remove debug stack

There are 169 commits in total.

See the full diff

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[codecov]

Codecov Report

Merging #17 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #17   +/-   ##
=======================================
  Coverage   95.23%   95.23%           
=======================================
  Files           5        5           
  Lines          63       63           
=======================================
  Hits           60       60           
  Misses          3        3

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