chore(deps-dev): bump postcss from 8.4.8 to 8.4.12 in /example

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.8 to 8.4.12.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.8...8.4.12)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

example/package.json

@@ -49,7 +49,7 @@
     "cross-env": "7.0.3",
     "jest": "27.4.7",
     "patch-package": "6.4.7",
-    "postcss": "8.4.8",
+    "postcss": "8.4.12",
     "tailwindcss": "2.2.19",
     "ts-jest": "27.1.3"
   }

example/yarn.lock

@@ -418,7 +418,7 @@
   integrity sha512-gfta+H8aziZsm8pZa0vj04KO6biEiisppNgA1kbJvFrrWu9Vm7eaUEy76DIxsuTaWvti5fkJVhllWc6ZTE+Mdw==
 
 "@identity-labs/react-ic-ii-auth@link:..":
-  version "0.0.15"
+  version "0.0.16"
 
 "@istanbuljs/load-nyc-config@^1.0.0":
   version "1.1.0"
@@ -3967,10 +3967,10 @@ postcss@8.2.15:
     nanoid "^3.1.23"
     source-map "^0.6.1"
 
-postcss@8.4.8, postcss@^8.1.6, postcss@^8.2.1:
-  version "8.4.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.8.tgz#dad963a76e82c081a0657d3a2f3602ce10c2e032"
-  integrity sha512-2tXEqGxrjvAO6U+CJzDL2Fk2kPHTv1jQsYkSoMeOis2SsYaXRO2COxTdQp99cYvif9JTXaAk9lYGc3VhJt7JPQ==
+postcss@8.4.12, postcss@^8.1.6, postcss@^8.2.1:
+  version "8.4.12"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.12.tgz#1e7de78733b28970fa4743f7da6f3763648b1905"
+  integrity sha512-lg6eITwYe9v6Hr5CncVbK70SoioNQIq81nsaG86ev5hAidQvmOeETBqs7jm43K2F5/Ley3ytDtriImV6TpNiSg==
   dependencies:
     nanoid "^3.3.1"
     picocolors "^1.0.0"