chore(deps-dev): bump postcss in /tutorials/api-gateway/vue-ui

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.16 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.16...8.4.31)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
...

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

tutorials/api-gateway/vue-ui/package.json

@@ -28,7 +28,7 @@
     "eslint-plugin-vue": "^7.10.0",
     "glob-parent": "5.1.2",
     "jest": "^26.6.3",
-    "postcss": "^8.2.10",
+    "postcss": "^8.4.31",
     "typescript": "~4.2.4",
     "vue-template-compiler": "^2.6.12",
     "ws": "^7.4.6",

tutorials/api-gateway/vue-ui/yarn.lock

@@ -6719,10 +6719,10 @@ mz@^2.4.0:
     object-assign "^4.0.1"
     thenify-all "^1.0.0"
 
-nanoid@^3.3.4:
-  version "3.3.4"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
-  integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
+nanoid@^3.3.6:
+  version "3.3.6"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.6.tgz#443380c856d6e9f9824267d960b4236ad583ea4c"
+  integrity sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -7440,12 +7440,12 @@ postcss@^7.0.36:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.2.10, postcss@^8.2.6, postcss@^8.3.5, postcss@^8.4.14, postcss@^8.4.7:
-  version "8.4.16"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.16.tgz#33a1d675fac39941f5f445db0de4db2b6e01d43c"
-  integrity sha512-ipHE1XBvKzm5xI7hiHCZJCSugxvsdq2mPnsq5+UF+VHCjiBvtDrlxJfMBToWaP9D5XlgNmcFGqoHmUn0EYEaRQ==
+postcss@^8.2.6, postcss@^8.3.5, postcss@^8.4.14, postcss@^8.4.31, postcss@^8.4.7:
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
   dependencies:
-    nanoid "^3.3.4"
+    nanoid "^3.3.6"
     picocolors "^1.0.0"
     source-map-js "^1.0.2"