Bump semver from 7.3.8 to 7.5.4 in /platform/backend (#115)

Bumps [semver](https://github.com/npm/node-semver) from 7.3.8 to 7.5.4.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/main/CHANGELOG.md)
- [Commits](npm/node-semver@v7.3.8...v7.5.4)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Alexander Zemtsov <a.zemtsov@gmail.com>