[Snyk] Upgrade autoprefixer from 10.4.4 to 10.4.15 (#97)

fix: upgrade autoprefixer from 10.4.4 to 10.4.15

Snyk has created this PR to upgrade autoprefixer from 10.4.4 to 10.4.15.

See this package in npm:
https://www.npmjs.com/package/autoprefixer

See this project in Snyk:
https://app.snyk.io/org/dah-dah-demos/project/65fbd372-8127-466d-9db2-dbcc14ace3e6?utm_source=github&utm_medium=referral&page=upgrade-pr

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

template/startbootstrap-clean-blog-styles-only/package.json

@@ -27,7 +27,7 @@
         "bootstrap": "^5.3.0-alpha1"
     },
     "devDependencies": {
-        "autoprefixer": "10.4.4",
+        "autoprefixer": "10.4.15",
         "postcss": "8.4.31",
         "sass": "1.49.9",
         "shelljs": "0.8.5",