fix(deps): bump @testing-library/dom from 6.16.0 to 7.0.2 (#78)

Bumps [@testing-library/dom](https://github.com/testing-library/dom-testing-library) from 6.16.0 to 7.0.2.
- [Release notes](https://github.com/testing-library/dom-testing-library/releases)
- [Changelog](https://github.com/testing-library/dom-testing-library/blob/master/CHANGELOG.md)
- [Commits](testing-library/dom-testing-library@v6.16.0...v7.0.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

BREAKING CHANGES: DOM Testing library bumped to 7.x

Author: dependabot-preview[bot]

Diff for: package.json

@@ -51,7 +51,7 @@
     "svelte": "3.x"
   },
   "dependencies": {
-    "@testing-library/dom": "^6.5.0"
+    "@testing-library/dom": "^7.0.2"
   },
   "devDependencies": {
     "@babel/cli": "^7.6.2",