Bump chokidar from 3.4.2 to 3.4.3 in /app

Bumps [chokidar](https://github.com/paulmillr/chokidar) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/paulmillr/chokidar/releases)
- [Commits](https://github.com/paulmillr/chokidar/compare/3.4.2...3.4.3)

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

app/package.json

@@ -11,7 +11,7 @@
   "repository": "zeit/hyper",
   "dependencies": {
     "async-retry": "1.3.1",
-    "chokidar": "^3.4.2",
+    "chokidar": "^3.4.3",
     "color": "3.1.2",
     "convert-css-color-name-to-hex": "0.1.1",
     "default-shell": "1.0.1",

app/yarn.lock

@@ -54,10 +54,10 @@ braces@~3.0.2:
   dependencies:
     fill-range "^7.0.1"
 
-chokidar@^3.4.2:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.2.tgz#38dc8e658dec3809741eb3ef7bb0a47fe424232d"
-  integrity sha512-IZHaDeBeI+sZJRX7lGcXsdzgvZqKv6sECqsbErJA4mHWfpRrD8B97kSFN4cQz6nGBGiuFia1MKR4d6c1o8Cv7A==
+chokidar@^3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.3.tgz#c1df38231448e45ca4ac588e6c79573ba6a57d5b"
+  integrity sha512-DtM3g7juCXQxFVSNPNByEC2+NImtBuxQQvWlHunpJIS5Ocr0lG306cC7FCi7cEA0fzmybPUIl4txBIobk1gGOQ==
   dependencies:
     anymatch "~3.1.1"
     braces "~3.0.2"
@@ -65,7 +65,7 @@ chokidar@^3.4.2:
     is-binary-path "~2.1.0"
     is-glob "~4.0.1"
     normalize-path "~3.0.0"
-    readdirp "~3.4.0"
+    readdirp "~3.5.0"
   optionalDependencies:
     fsevents "~2.1.2"
 
@@ -747,10 +747,10 @@ react@16.14.0:
     object-assign "^4.1.1"
     prop-types "^15.6.2"
 
-readdirp@~3.4.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.4.0.tgz#9fdccdf9e9155805449221ac645e8303ab5b9ada"
-  integrity sha512-0xe001vZBnJEK+uKcj8qOhyAKPzIT+gStxWr3LCB0DwcXR5NZJ3IaC+yGnHCYzB/S7ov3m3EEbZI2zeNvX+hGQ==
+readdirp@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.5.0.tgz#9ba74c019b15d365278d2e91bb8c48d7b4d42c9e"
+  integrity sha512-cMhu7c/8rdhkHXWsY+osBhfSy0JikwpHK/5+imo+LpeasTF8ouErHrlYkwT0++njiyuDvc7OFY5T3ukvZ8qmFQ==
   dependencies:
     picomatch "^2.2.1"