Bump ember-decorators-polyfill from 1.1.3 to 1.1.5
Bump ember-decorators-polyfill from 1.1.3 to 1.1.5

Bumps [ember-decorators-polyfill](https://github.com/pzuraq/ember-decorators-polyfill) from 1.1.3 to 1.1.5.
- [Release notes](https://github.com/pzuraq/ember-decorators-polyfill/releases)
- [Commits](https://github.com/pzuraq/ember-decorators-polyfill/compare/1.1.3...v1.1.5)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
jkusa/ember-cli-clipboard,jkusa/ember-cli-clipboard