Bump vue-color from 2.7.1 to 2.8.1

Bumps [vue-color](https://github.com/xiaokaike/vue-color) from 2.7.1 to 2.8.1.
- [Release notes](https://github.com/xiaokaike/vue-color/releases)
- [Commits](https://github.com/xiaokaike/vue-color/compare/v2.7.1...v2.8.1)

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

package.json

@@ -244,7 +244,7 @@
 		"v-debounce": "0.1.2",
 		"vanilla-tilt": "1.7.0",
 		"vue": "3.0.3",
-		"vue-color": "2.7.1",
+		"vue-color": "2.8.1",
 		"vue-json-pretty": "1.7.1",
 		"vue-loader": "16.0.0",
 		"vue-prism-editor": "2.0.0-alpha.2",