Bump postcss from 8.2.14 to 8.2.15 (#3708)

Bumps [postcss](https://github.com/postcss/postcss) from 8.2.14 to 8.2.15.
- [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/8.2.14...8.2.15)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package-lock.json

@@ -7713,9 +7713,9 @@
       "dev": true
     },
     "nanoid": {
-      "version": "3.1.22",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.22.tgz",
-      "integrity": "sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ==",
+      "version": "3.1.23",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.23.tgz",
+      "integrity": "sha512-FiB0kzdP0FFVGDKlRLEQ1BgDzU87dy5NnzjeW9YZNt+/c3+q82EQDUwniSAUxp/F0gFNI1ZhKU1FqYsMuqZVnw==",
       "dev": true
     },
     "nanomatch": {
@@ -8671,13 +8671,13 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.2.14",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.14.tgz",
-      "integrity": "sha512-+jD0ZijcvyCqPQo/m/CW0UcARpdFylq04of+Q7RKX6f/Tu+dvpUI/9Sp81+i6/vJThnOBX09Quw0ZLOVwpzX3w==",
+      "version": "8.2.15",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.15.tgz",
+      "integrity": "sha512-2zO3b26eJD/8rb106Qu2o7Qgg52ND5HPjcyQiK2B98O388h43A448LCslC0dI2P97wCAQRJsFvwTRcXxTKds+Q==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.2",
-        "nanoid": "^3.1.22",
+        "nanoid": "^3.1.23",
         "source-map": "^0.6.1"
       },
       "dependencies": {

package.json

@@ -145,7 +145,7 @@
     "node-sass-package-importer": "^5.3.2",
     "nodemon": "^2.0.7",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.2.14",
+    "postcss": "^8.2.15",
     "postcss-cli": "^8.3.1",
     "rollup": "^2.47.0",
     "stylelint": "^13.13.1",