Bump @rollup/plugin-commonjs from 19.0.0 to 21.0.0

Bumps [@rollup/plugin-commonjs](https://github.com/rollup/plugins/tree/HEAD/packages/commonjs) from 19.0.0 to 21.0.0.
- [Release notes](https://github.com/rollup/plugins/releases)
- [Changelog](https://github.com/rollup/plugins/blob/master/packages/commonjs/CHANGELOG.md)
- [Commits](https://github.com/rollup/plugins/commits/commonjs-v21.0.0/packages/commonjs)

---
updated-dependencies:
- dependency-name: "@rollup/plugin-commonjs"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -10,7 +10,7 @@
 	},
 	"dependencies": {
 		"@rollup/plugin-buble": "^0.21.3",
-		"@rollup/plugin-commonjs": "^19.0.0",
+		"@rollup/plugin-commonjs": "^21.0.0",
 		"@rollup/plugin-node-resolve": "^13.0.2",
 		"@vue/cli-plugin-babel": "~4.5.13",
 		"@vue/cli-plugin-router": "~4.5.13",