Bump opentype.js from 1.3.3 to 1.3.4

Bumps [opentype.js](https://github.com/opentypejs/opentype.js) from 1.3.3 to 1.3.4.
- [Release notes](https://github.com/opentypejs/opentype.js/releases)
- [Changelog](https://github.com/opentypejs/opentype.js/blob/master/RELEASES.md)
- [Commits](opentypejs/opentype.js@1.3.3...1.3.4)

---
updated-dependencies:
- dependency-name: opentype.js
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -12,7 +12,7 @@
   },
   "homepage": "https://github.com/fixrtm/artworks#readme",
   "dependencies": {
-    "opentype.js": "^1.3.3",
+    "opentype.js": "^1.3.4",
     "svg-text-to-path": "^1.1.1",
     "svgo": "^2.7.0"
   },