Bump stylelint-config-standard from 34.0.0 to 40.0.0 in /frontend

Bumps [stylelint-config-standard](https://github.com/stylelint/stylelint-config-standard) from 34.0.0 to 40.0.0.
- [Release notes](https://github.com/stylelint/stylelint-config-standard/releases)
- [Changelog](https://github.com/stylelint/stylelint-config-standard/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint-config-standard@34.0.0...40.0.0)

---
updated-dependencies:
- dependency-name: stylelint-config-standard
  dependency-version: 40.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/package.json

@@ -101,7 +101,7 @@
     "storybook": "^8.6.15",
     "stylelint": "^15.10.3",
     "stylelint-config-sass-guidelines": "^10.0.0",
-    "stylelint-config-standard": "^34.0.0",
+    "stylelint-config-standard": "^40.0.0",
     "stylelint-config-standard-scss": "^11.0.0",
     "stylelint-scss": "^5.2.1",
     "typescript": "^5.9.3",

frontend/yarn.lock

@@ -4626,7 +4626,7 @@ __metadata:
     storybook: "npm:^8.6.15"
     stylelint: "npm:^15.10.3"
     stylelint-config-sass-guidelines: "npm:^10.0.0"
-    stylelint-config-standard: "npm:^34.0.0"
+    stylelint-config-standard: "npm:^40.0.0"
     stylelint-config-standard-scss: "npm:^11.0.0"
     stylelint-scss: "npm:^5.2.1"
     typescript: "npm:^5.9.3"
@@ -8121,6 +8121,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"stylelint-config-recommended@npm:^18.0.0":
+  version: 18.0.0
+  resolution: "stylelint-config-recommended@npm:18.0.0"
+  peerDependencies:
+    stylelint: ^17.0.0
+  checksum: 10c0/c7f8ff45c76ec23f4c8c0438894726976fd5e872c59d489f959b728d9879bba20dbf0040cd29ad3bbc00eb32befd95f5b6ca150002bb8aea74b0797bc42ccc17
+  languageName: node
+  linkType: hard
+
 "stylelint-config-sass-guidelines@npm:^10.0.0":
   version: 10.0.0
   resolution: "stylelint-config-sass-guidelines@npm:10.0.0"
@@ -8161,6 +8170,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"stylelint-config-standard@npm:^40.0.0":
+  version: 40.0.0
+  resolution: "stylelint-config-standard@npm:40.0.0"
+  dependencies:
+    stylelint-config-recommended: "npm:^18.0.0"
+  peerDependencies:
+    stylelint: ^17.0.0
+  checksum: 10c0/d8942552d53a3afda59b64d0c49503bb626fe5cef39a9e8c9583fcd60869f21431125ef4480ff27a59f7f2cf0da8af810d377129ef1d670ddc5def4defe2880c
+  languageName: node
+  linkType: hard
+
 "stylelint-scss@npm:^4.4.0":
   version: 4.7.0
   resolution: "stylelint-scss@npm:4.7.0"