Bump postcss from 8.1.3 to 8.1.4

Bumps [postcss](https://github.com/postcss/postcss) from 8.1.3 to 8.1.4.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.1.3...8.1.4)

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

package-lock.json

@@ -8113,9 +8113,9 @@
             "dev": true
         },
         "nanoid": {
-            "version": "3.1.15",
-            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.15.tgz",
-            "integrity": "sha512-n8rXUZ8UU3lV6+43atPrSizqzh25n1/f00Wx1sCiE7R1sSHytZLTTiQl8DjC4IDLOnEZDlgJhy0yO4VsIpMxow==",
+            "version": "3.1.16",
+            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.16.tgz",
+            "integrity": "sha512-+AK8MN0WHji40lj8AEuwLOvLSbWYApQpre/aFJZD71r43wVRLrOYS4FmJOPQYon1TqB462RzrrxlfA74XRES8w==",
             "dev": true
         },
         "nanomatch": {
@@ -8933,9 +8933,9 @@
             "dev": true
         },
         "postcss": {
-            "version": "8.1.3",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.3.tgz",
-            "integrity": "sha512-AKsHGqd7HmXmL/EgyAjI4Gx719A5yQdt9HzyXrI8M/hzxfumecYS95kfvIt40UZqPVNoEt0Va1M3PG54XtNPbg==",
+            "version": "8.1.4",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.4.tgz",
+            "integrity": "sha512-LfqcwgMq9LOd8pX7K2+r2HPitlIGC5p6PoZhVELlqhh2YGDVcXKpkCseqan73Hrdik6nBd2OvoDPUaP/oMj9hQ==",
             "dev": true,
             "requires": {
                 "colorette": "^1.2.1",

package.json

@@ -62,7 +62,7 @@
         "gulp-terser": "^1.4.0",
         "gulp-zip": "^5.0.2",
         "merge-stream": "^2.0.0",
-        "postcss": "^8.1.3",
+        "postcss": "^8.1.4",
         "sass": "^1.27.0",
         "terser": "^5.3.8",
         "vinyl-buffer": "^1.0.1",