build(deps-dev): bump standard-version from 7.1.0 to 8.0.1

Bumps [standard-version](https://github.com/conventional-changelog/standard-version) from 7.1.0 to 8.0.1.
- [Release notes](https://github.com/conventional-changelog/standard-version/releases)
- [Changelog](https://github.com/conventional-changelog/standard-version/blob/master/CHANGELOG.md)
- [Commits](conventional-changelog/standard-version@v7.1.0...v8.0.1)

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

Author: dependabot[bot]

package.json

@@ -31,7 +31,7 @@
     "memory-fs": "^0.5.0",
     "posthtml-sugarml": "1.0.0-alpha3",
     "standard": "^14.3.1",
-    "standard-version": "^7.0.0",
+    "standard-version": "^8.0.1",
     "webpack": "^4.41.2"
   },
   "keywords": [