Bump jquery-migrate from 3.3.2 to 3.4.0

Bump jquery-migrate from 3.3.2 to 3.4.0

Bumps [jquery-migrate](https://github.com/jquery/jquery-migrate) from 3.3.2 to 3.4.0.
- [Release notes](https://github.com/jquery/jquery-migrate/releases)
- [Commits](https://github.com/jquery/jquery-migrate/compare/3.3.2...3.4.0)

---
updated-dependencies:
- dependency-name: jquery-migrate
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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