build(deps): bump autoprefixer from 9.7.5 to 9.7.6

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.7.5 to 9.7.6.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](postcss/autoprefixer@9.7.5...9.7.6)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -37,7 +37,7 @@
     ]
   },
   "dependencies": {
-    "autoprefixer": "^9.7.5",
+    "autoprefixer": "^9.7.6",
     "cheerio": "^0.22.0",
     "fibers": "^4.0.2",
     "handlebars": "^4.7.6",