Bump postcss from 8.4.21 to 8.4.31 in /src/frontend

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.21 to 8.4.31.
- [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/8.4.21...8.4.31

)

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

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

src/frontend/package-lock.json

@@ -17,7 +17,7 @@
                 "@vitejs/plugin-vue": "^2.0.0",
                 "eslint": "^8.36.0",
                 "eslint-plugin-vue": "^9.9.0",
-                "postcss": "^8.4.21",
+                "postcss": "^8.4.31",
                 "tailwindcss": "^3.2.6"
             }
         },
@@ -1681,9 +1681,15 @@
             "dev": true
         },
         "node_modules/nanoid": {
-            "version": "3.3.4",
-            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
-            "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
+            "version": "3.3.6",
+            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz",
+            "integrity": "sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==",
+            "funding": [
+                {
+                    "type": "github",
+                    "url": "https://github.com/sponsors/ai"
+                }
+            ],
             "bin": {
                 "nanoid": "bin/nanoid.cjs"
             },
@@ -1854,9 +1860,9 @@
             }
         },
         "node_modules/postcss": {
-            "version": "8.4.21",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
-            "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
+            "version": "8.4.31",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+            "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
             "funding": [
                 {
                     "type": "opencollective",
@@ -1865,10 +1871,14 @@
                 {
                     "type": "tidelift",
                     "url": "https://tidelift.com/funding/github/npm/postcss"
+                },
+                {
+                    "type": "github",
+                    "url": "https://github.com/sponsors/ai"
                 }
             ],
             "dependencies": {
-                "nanoid": "^3.3.4",
+                "nanoid": "^3.3.6",
                 "picocolors": "^1.0.0",
                 "source-map-js": "^1.0.2"
             },
@@ -3654,9 +3664,9 @@
             "dev": true
         },
         "nanoid": {
-            "version": "3.3.4",
-            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
-            "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw=="
+            "version": "3.3.6",
+            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz",
+            "integrity": "sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA=="
         },
         "natural-compare": {
             "version": "1.4.0",
@@ -3776,11 +3786,11 @@
             "dev": true
         },
         "postcss": {
-            "version": "8.4.21",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
-            "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
+            "version": "8.4.31",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+            "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
             "requires": {
-                "nanoid": "^3.3.4",
+                "nanoid": "^3.3.6",
                 "picocolors": "^1.0.0",
                 "source-map-js": "^1.0.2"
             }

src/frontend/package.json

@@ -16,7 +16,7 @@
         "@vitejs/plugin-vue": "^2.0.0",
         "eslint": "^8.36.0",
         "eslint-plugin-vue": "^9.9.0",
-        "postcss": "^8.4.21",
+        "postcss": "^8.4.31",
         "tailwindcss": "^3.2.6"
     }
 }