build(deps-dev): bump scratch-paint

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20200729212812 to 0.2.0-prerelease.20200813210710.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](https://github.com/LLK/scratch-paint/commits)

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

package-lock.json

@@ -14571,9 +14571,9 @@
       }
     },
     "scratch-paint": {
-      "version": "0.2.0-prerelease.20200729212812",
-      "resolved": "https://registry.npmjs.org/scratch-paint/-/scratch-paint-0.2.0-prerelease.20200729212812.tgz",
-      "integrity": "sha512-MN7R6GOKXmM8ulpa0c19gQD6YdMORmScoWI+t/GsTIN0jMG8llYvwAgY1mKf+Tbb6J+JAdHpz/WRfugpzpMAaw==",
+      "version": "0.2.0-prerelease.20200813210710",
+      "resolved": "https://registry.npmjs.org/scratch-paint/-/scratch-paint-0.2.0-prerelease.20200813210710.tgz",
+      "integrity": "sha512-zvQIp3P0P6vN68z6h5aQKvUYXYX+f6vM3Wyw1wrieMXwQ3G7VKRGteM5q43VzNbpniN3NfRcYkQGw7385+jA7Q==",
       "dev": true,
       "requires": {
         "@scratch/paper": "0.11.20200728195508",

package.json

@@ -110,7 +110,7 @@
     "scratch-audio": "0.1.0-prerelease.20200528195344",
     "scratch-blocks": "0.1.0-prerelease.20200811140116",
     "scratch-l10n": "3.10.20200812030801",
-    "scratch-paint": "0.2.0-prerelease.20200729212812",
+    "scratch-paint": "0.2.0-prerelease.20200813210710",
     "scratch-render": "0.1.0-prerelease.20200806013734",
     "scratch-storage": "1.3.3",
     "scratch-svg-renderer": "0.2.0-prerelease.20200610220938",