build(deps): bump scratch-paint

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20210225034651 to 0.2.0-prerelease.20210226034538.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](scratchfoundation/scratch-paint@0.2.0-prerelease.20210225034651...0.2.0-prerelease.20210226034538)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -78,7 +78,7 @@
     "scratch-l10n": "3.11.20210226031520",
     "scratch-storage": "1.3.3",
     "scratch-vm": "0.2.0-prerelease.20210225111818",
-    "scratch-paint": "0.2.0-prerelease.20210225034651",
+    "scratch-paint": "0.2.0-prerelease.20210226034538",
     "scratch-render": "0.1.0-prerelease.20210225211601",
     "scratch-svg-renderer": "0.2.0-prerelease.20210225205629",
     "startaudiocontext": "1.2.1",