Bump autoprefixer from 9.7.0 to 9.7.1 (#29619)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.7.0 to 9.7.1.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/autoprefixer/compare/9.7.0...9.7.1)

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

package-lock.json

@@ -1314,18 +1314,26 @@
       "dev": true
     },
     "autoprefixer": {
-      "version": "9.7.0",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.7.0.tgz",
-      "integrity": "sha512-j2IRvaCfrUxIiZun9ba4mhJ2omhw4OY88/yVzLO+lHhGBumAAK72PgM6gkbSN8iregPOn1ZlxGkmZh2CQ7X4AQ==",
+      "version": "9.7.1",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.7.1.tgz",
+      "integrity": "sha512-w3b5y1PXWlhYulevrTJ0lizkQ5CyqfeU6BIRDbuhsMupstHQOeb1Ur80tcB1zxSu7AwyY/qCQ7Vvqklh31ZBFw==",
       "dev": true,
       "requires": {
         "browserslist": "^4.7.2",
-        "caniuse-lite": "^1.0.30001004",
+        "caniuse-lite": "^1.0.30001006",
         "chalk": "^2.4.2",
         "normalize-range": "^0.1.2",
         "num2fraction": "^1.2.2",
-        "postcss": "^7.0.19",
+        "postcss": "^7.0.21",
         "postcss-value-parser": "^4.0.2"
+      },
+      "dependencies": {
+        "caniuse-lite": {
+          "version": "1.0.30001006",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001006.tgz",
+          "integrity": "sha512-MXnUVX27aGs/QINz+QG1sWSLDr3P1A3Hq5EUWoIt0T7K24DuvMxZEnh3Y5aHlJW6Bz2aApJdSewdYLd8zQnUuw==",
+          "dev": true
+        }
       }
     },
     "aws-sign2": {