Bump scratch-gui

Bumps [scratch-gui](https://github.com/LLK/scratch-gui) from 0.1.0-prerelease.20200618175748 to 0.1.0-prerelease.20200618185940.
- [Release notes](https://github.com/LLK/scratch-gui/releases)
- [Commits](https://github.com/LLK/scratch-gui/compare/0.1.0-prerelease.20200618175748...0.1.0-prerelease.20200618185940)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -15716,9 +15716,9 @@
       }
     },
     "scratch-gui": {
-      "version": "0.1.0-prerelease.20200618175748",
-      "resolved": "https://registry.npmjs.org/scratch-gui/-/scratch-gui-0.1.0-prerelease.20200618175748.tgz",
-      "integrity": "sha512-ZT/yjX3OjfvIIyzwjNYHra8RuPt0eVqjjfmDBJXFEm8EhxMKgwnQyg2vMG/GV0J11pFpNgKCHSdVbmVTV7i+eQ==",
+      "version": "0.1.0-prerelease.20200618185940",
+      "resolved": "https://registry.npmjs.org/scratch-gui/-/scratch-gui-0.1.0-prerelease.20200618185940.tgz",
+      "integrity": "sha512-YA93vPMRTb00PS6dnuvYJu1lAdUkC+O7s8n/A18HOks+4+7nf5NY8jkyyIdi0vQIWjAbcBIVFtC+0RrrE1fP8w==",
       "dev": true
     },
     "scratch-l10n": {

package.json

@@ -128,7 +128,7 @@
     "redux-mock-store": "^1.2.3",
     "redux-thunk": "2.0.1",
     "sass-loader": "6.0.6",
-    "scratch-gui": "0.1.0-prerelease.20200618175748",
+    "scratch-gui": "0.1.0-prerelease.20200618185940",
     "scratch-l10n": "latest",
     "selenium-webdriver": "3.6.0",
     "slick-carousel": "1.6.0",