Bump rollup-plugin-babel from 4.3.3 to 4.4.0 (#29)

Bumps [rollup-plugin-babel](https://github.com/rollup/rollup-plugin-babel) from 4.3.3 to 4.4.0.
- [Release notes](https://github.com/rollup/rollup-plugin-babel/releases)
- [Changelog](https://github.com/rollup/rollup-plugin-babel/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup-plugin-babel@v4.3.3...v4.4.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

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

Author: dependabot-preview[bot]

yarn.lock

@@ -4598,9 +4598,9 @@ rimraf@^3.0.0, rimraf@^3.0.1:
     glob "^7.1.3"
 
 rollup-plugin-babel@^4.3.3:
-  version "4.3.3"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-4.3.3.tgz#7eb5ac16d9b5831c3fd5d97e8df77ba25c72a2aa"
-  integrity sha512-tKzWOCmIJD/6aKNz0H1GMM+lW1q9KyFubbWzGiOG540zxPPifnEAHTZwjo0g991Y+DyOZcLqBgqOdqazYE5fkw==
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-4.4.0.tgz#d15bd259466a9d1accbdb2fe2fff17c52d030acb"
+  integrity sha512-Lek/TYp1+7g7I+uMfJnnSJ7YWoD58ajo6Oarhlex7lvUce+RCKRuGRSgztDO3/MF/PuGKmUL5iTHKf208UNszw==
   dependencies:
     "@babel/helper-module-imports" "^7.0.0"
     rollup-pluginutils "^2.8.1"