Bump webpack from 5.77.0 to 5.94.0 in /frontend (#8080)

* Bump webpack from 5.77.0 to 5.94.0 in /frontend

Bumps [webpack](https://github.com/webpack/webpack) from 5.77.0 to 5.94.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.77.0...v5.94.0)

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

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

* install postcss

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: elisa lee <[email protected]>

frontend/package.json

@@ -33,6 +33,7 @@
     "lodash": "^4.17.21",
     "minimist": "1.2.8",
     "moment": "^2.29.4",
+    "postcss": "^8.4.45",
     "prop-types": "^15.7.2",
     "react": "^18.0.0",
     "react-csv": "^2.2.1",
@@ -205,6 +206,8 @@
     "@types/uuid": "^9.0.8",
     "@typescript-eslint/eslint-plugin": "^8.3.0",
     "@typescript-eslint/parser": "^8.3.0",
+    "axios": "^1.7.2",
+    "babel-jest": "^29.7.0",
     "chromatic": "^10.2.0",
     "dayjs": "^1.10.7",
     "depcheck": "^1.4.3",
@@ -235,9 +238,7 @@
     "stylelint": "^13.13.1",
     "stylelint-config-standard": "^22.0.0",
     "typescript": "^5.3.2",
-    "webpack": "^5.76.0",
-    "axios": "^1.7.2",
-    "babel-jest": "^29.7.0"
+    "webpack": "^5.94.0"
   },
   "resolutions": {
     "http-cache-semantics": "4.1.1",