Bump @mitre/heimdall-lite from 2.6.49 to 2.6.50

Bumps [@mitre/heimdall-lite](https://github.com/mitre/heimdall2) from 2.6.49 to 2.6.50.
- [Release notes](https://github.com/mitre/heimdall2/releases)
- [Changelog](https://github.com/mitre/heimdall2/blob/master/CHANGELOG)
- [Commits](mitre/heimdall2@v2.6.49...v2.6.50)

---
updated-dependencies:
- dependency-name: "@mitre/heimdall-lite"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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