Bump hls.js from 1.6.14 to 1.6.15
Bumps [hls.js](https://github.com/video-dev/hls.js) from 1.6.14 to 1.6.15.
- [Release notes](https://github.com/video-dev/hls.js/releases)
- [Changelog](https://github.com/video-dev/hls.js/blob/master/docs/release-process.md)
- [Commits](https://github.com/video-dev/hls.js/compare/v1.6.14...v1.6.15)
---
updated-dependencies:
- dependency-name: hls.js
dependency-version: 1.6.15
dependency-type: direct:production
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>