build(deps-dev): bump happy-dom from 20.5.0 to 20.8.9 in /frontend

Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 20.5.0 to 20.8.9.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](https://github.com/capricorn86/happy-dom/compare/v20.5.0...v20.8.9)

---
updated-dependencies:
- dependency-name: happy-dom
  dependency-version: 20.8.9
  dependency-type: direct:development
...

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

frontend/package-lock.json

@@ -53,7 +53,7 @@
         "autoprefixer": "^10.4.23",
         "browserslist-to-esbuild": "^2.1.1",
         "graphql": "^16.12.0",
-        "happy-dom": "^20.5.0",
+        "happy-dom": "^20.8.9",
         "i18next-cli": "^1.50.3",
         "knip": "^5.81.0",
         "msw": "^2.12.8",
@@ -7537,9 +7537,9 @@
       }
     },
     "node_modules/entities": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
-      "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-7.0.1.tgz",
+      "integrity": "sha512-TWrgLOFUQTH994YUyl1yT4uyavY5nNB5muff+RtWaqNVCAK408b5ZnnbNAUEWLTCpum9w6arT70i1XdQ4UeOPA==",
       "dev": true,
       "license": "BSD-2-Clause",
       "engines": {
@@ -8439,16 +8439,16 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "20.5.0",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.5.0.tgz",
-      "integrity": "sha512-VQe+Q5CYiGOgcCERXhcfNsbnrN92FDEKciMH/x6LppU9dd0j4aTjCTlqONFOIMcAm/5JxS3+utowbXV1OoFr+g==",
+      "version": "20.8.9",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.9.tgz",
+      "integrity": "sha512-Tz23LR9T9jOGVZm2x1EPdXqwA37G/owYMxRwU0E4miurAtFsPMQ1d2Jc2okUaSjZqAFz2oEn3FLXC5a0a+siyA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/node": ">=20.0.0",
         "@types/whatwg-mimetype": "^3.0.2",
         "@types/ws": "^8.18.1",
-        "entities": "^4.5.0",
+        "entities": "^7.0.1",
         "whatwg-mimetype": "^3.0.0",
         "ws": "^8.18.3"
       },

frontend/package.json

@@ -63,7 +63,7 @@
     "autoprefixer": "^10.4.23",
     "browserslist-to-esbuild": "^2.1.1",
     "graphql": "^16.12.0",
-    "happy-dom": "^20.5.0",
+    "happy-dom": "^20.8.9",
     "i18next-cli": "^1.50.3",
     "knip": "^5.81.0",
     "msw": "^2.12.8",