build(deps): bump @babel/types from 7.8.7 to 7.9.0 (#872)

Bumps [@babel/types](https://github.com/babel/babel) from 7.8.7 to 7.9.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.8.7...v7.9.0)

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

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

yarn.lock

@@ -68,6 +68,11 @@
   dependencies:
     "@babel/types" "^7.4.4"
 
+"@babel/helper-validator-identifier@^7.9.0":
+  version "7.9.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.9.0.tgz#ad53562a7fc29b3b9a91bbf7d10397fd146346ed"
+  integrity sha512-6G8bQKjOh+of4PV/ThDm/rRqlU7+IGoJuofpagU5GlEl29Vv0RGqqt86ZGRV8ZuSOY3o+8yXl5y782SMcG7SHw==
+
 "@babel/helpers@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.5.5.tgz#63908d2a73942229d1e6685bc2a0e730dde3b75e"
@@ -123,11 +128,11 @@
     lodash "^4.17.13"
 
 "@babel/types@^7.0.0", "@babel/types@^7.3.0", "@babel/types@^7.4.0", "@babel/types@^7.4.4", "@babel/types@^7.5.5", "@babel/types@^7.8.6":
-  version "7.8.7"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.8.7.tgz#1fc9729e1acbb2337d5b6977a63979b4819f5d1d"
-  integrity sha512-k2TreEHxFA4CjGkL+GYjRyx35W0Mr7DP5+9q6WMkyKXB+904bYmG40syjMFV0oLlhhFCwWl0vA0DyzTDkwAiJw==
+  version "7.9.0"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.9.0.tgz#00b064c3df83ad32b2dbf5ff07312b15c7f1efb5"
+  integrity sha512-BS9JKfXkzzJl8RluW4JGknzpiUV7ZrvTayM6yfqLTVBEnFtyowVIOu6rqxRd5cVO6yGoWf4T8u8dgK9oB+GCng==
   dependencies:
-    esutils "^2.0.2"
+    "@babel/helper-validator-identifier" "^7.9.0"
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"