Bump prosemirror-view from 1.38.0 to 1.39.3

Bumps [prosemirror-view](https://github.com/prosemirror/prosemirror-view) from 1.38.0 to 1.39.3.
- [Changelog](https://github.com/ProseMirror/prosemirror-view/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prosemirror/prosemirror-view/compare/1.38.0...1.39.3

)

---
updated-dependencies:
- dependency-name: prosemirror-view
  dependency-version: 1.39.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>