build(deps-dev): bump scratch-blocks

Bumps [scratch-blocks](https://github.com/LLK/scratch-blocks) from 0.1.0-prerelease.20200721135911 to 0.1.0-prerelease.20200804140007.
- [Release notes](https://github.com/LLK/scratch-blocks/releases)
- [Commits](https://github.com/LLK/scratch-blocks/commits

)

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

package-lock.json

@@ -14549,9 +14549,9 @@
       }
     },
     "scratch-blocks": {
-      "version": "0.1.0-prerelease.20200721135911",
-      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.20200721135911.tgz",
-      "integrity": "sha512-C5sEC7E/LxAzxM1nVOxBVUOB8wBh603NcBVDFFZ7bDt18Pi2ny2plGZaYGqWAPv903Zshs09WXsY7MtPDO6odw==",
+      "version": "0.1.0-prerelease.20200804140007",
+      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.20200804140007.tgz",
+      "integrity": "sha512-tRg2ugHlGWypbY2gbxbJkdhKrxNGE8sbdVOOdmzWy6fs5P0EYRzOTLHWoZUFC32G2zkWXs0zUfJC1K46Iavpfw==",
       "dev": true,
       "requires": {
         "exports-loader": "0.6.3",

package.json

@@ -108,7 +108,7 @@
     "redux-throttle": "0.1.1",
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.20200528195344",
-    "scratch-blocks": "0.1.0-prerelease.20200721135911",
+    "scratch-blocks": "0.1.0-prerelease.20200804140007",
     "scratch-l10n": "3.10.20200729030742",
     "scratch-paint": "0.2.0-prerelease.20200729212812",
     "scratch-render": "0.1.0-prerelease.20200723210832",