chore(deps): pin dependencies

Change-Id: I44bb272cd38668f4ecd44ba9fe97c97cdb0b08a7
diff --git a/frontend/package.json b/frontend/package.json
index afdb2d6..8f0211d 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,15 +1,15 @@
 {
   "devDependencies": {
-    "css-loader": "^6.2.0",
-    "html-webpack-plugin": "^5.3.2",
-    "json5": "^1.0.1",
-    "sass": "^1.38.1",
-    "sass-loader": "^12.1.0",
-    "style-loader": "^3.2.1",
-    "vue-style-loader": "^4.1.3",
-    "webpack": "^5.51.1",
-    "webpack-cli": "^4.8.0",
-    "webpack-dev-server": "^4.0.0"
+    "css-loader": "6.2.0",
+    "html-webpack-plugin": "5.3.2",
+    "json5": "1.0.1",
+    "sass": "1.38.1",
+    "sass-loader": "12.1.0",
+    "style-loader": "3.2.1",
+    "vue-style-loader": "4.1.3",
+    "webpack": "5.51.1",
+    "webpack-cli": "4.8.0",
+    "webpack-dev-server": "4.7.2"
   },
   "dependencies": {
     "@vue/compiler-sfc": "^3.2.6",