Bump postcss from 8.2.7 to 8.2.8

Bumps [postcss](https://github.com/postcss/postcss) from 8.2.7 to 8.2.8.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.2.7...8.2.8)

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

package-lock.json

@@ -4095,9 +4095,9 @@
       "dev": true
     },
     "nanoid": {
-      "version": "3.1.20",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.20.tgz",
-      "integrity": "sha512-a1cQNyczgKbLX9jwbS/+d7W8fX/RfgYR7lVWwWOGIPNgK2m0MWvrGF6/m4kk6U3QcFMnZf3RIhL0v2Jgh/0Uxw==",
+      "version": "3.1.21",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.21.tgz",
+      "integrity": "sha512-A6oZraK4DJkAOICstsGH98dvycPr/4GGDH7ZWKmMdd3vGcOurZ6JmWFUt0DA5bzrrn2FrUjmv6mFNWvv8jpppA==",
       "dev": true
     },
     "nanomatch": {
@@ -4556,9 +4556,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.2.7",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.7.tgz",
-      "integrity": "sha512-DsVLH3xJzut+VT+rYr0mtvOtpTjSyqDwPf5EZWXcb0uAKfitGpTY9Ec+afi2+TgdN8rWS9Cs88UDYehKo/RvOw==",
+      "version": "8.2.8",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.8.tgz",
+      "integrity": "sha512-1F0Xb2T21xET7oQV9eKuctbM9S7BC0fetoHCc4H13z0PT6haiRLP4T0ZY4XWh7iLP0usgqykT6p9B2RtOf4FPw==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.2",

package.json

@@ -69,7 +69,7 @@
     "html-minifier": "^4.0.0",
     "material-design-color": "^2.3.2",
     "material-shadows": "^3.0.1",
-    "postcss": "^8.2.7",
+    "postcss": "^8.2.8",
     "postcss-inline-svg": "^5.0.0",
     "preact": "^10.5.12",
     "rimraf": "^3.0.2",