build(deps-dev): bump postcss from 8.5.10 to 8.5.23 in /wasm/demo (#8367)

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.10 to 8.5.23.
- [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/8.5.10...8.5.23)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.23
  dependency-type: indirect
...

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

wasm/demo/package-lock.json

@@ -3704,9 +3704,9 @@
             }
         },
         "node_modules/nanoid": {
-            "version": "3.3.11",
-            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
-            "integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
+            "version": "3.3.16",
+            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.16.tgz",
+            "integrity": "sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==",
             "dev": true,
             "funding": [
                 {
@@ -4069,9 +4069,9 @@
             }
         },
         "node_modules/postcss": {
-            "version": "8.5.10",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
-            "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
+            "version": "8.5.23",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.23.tgz",
+            "integrity": "sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==",
             "dev": true,
             "funding": [
                 {
@@ -4089,7 +4089,7 @@
             ],
             "license": "MIT",
             "dependencies": {
-                "nanoid": "^3.3.11",
+                "nanoid": "^3.3.16",
                 "picocolors": "^1.1.1",
                 "source-map-js": "^1.2.1"
             },