update rails to 8.1.2

package.json

@@ -22,34 +22,36 @@
     "canvas-confetti": "^1.6.0",
     "chart.js": "^4.5.1",
     "codemirror": "^6.0.2",
-    "compression-webpack-plugin": "10.0.0",
-    "css-loader": "^6.7.3",
+    "compression-webpack-plugin": "11.1.0",
+    "css-loader": "^7.1.2",
     "css-minimizer-webpack-plugin": "^5.0.0",
     "daisyui": "^3.9.4",
     "driver.js": "^1.3.5",
     "mathjs": "^12.4.0",
-    "mini-css-extract-plugin": "^2.7.5",
+    "mini-css-extract-plugin": "^2.10.0",
     "postcss": "^8.4.31",
     "postcss-import": "^15.1.0",
     "postcss-loader": "^7.3.0",
     "qr-creator": "^1.0.0",
     "rollbar": "^2.26.4",
     "sass": "^1.62.1",
-    "sass-loader": "^13.2.2",
-    "shakapacker": "8.0.0",
+    "sass-loader": "^16.0.6",
+    "shakapacker": "9.5.0",
     "signature_pad": "^4.1.5",
     "snarkdown": "^2.0.0",
+    "style-loader": "^4.0.0",
     "tailwindcss": "^3.4.17",
-    "terser-webpack-plugin": "5.3.8",
+    "terser-webpack-plugin": "5.3.16",
     "uuid": "^9.0.0",
     "vue": "^3.3.2",
     "vue-loader": "^17.1.1",
-    "webpack": "5.94.0",
-    "webpack-assets-manifest": "5",
+    "webpack": "5.104.1",
+    "webpack-assets-manifest": "6.5.0",
     "webpack-bundle-analyzer": "^4.7.0",
-    "webpack-cli": "5.1.1",
-    "webpack-dev-server": "^4.15.0",
-    "webpack-merge": "5"
+    "webpack-cli": "6.0.1",
+    "webpack-dev-server": "^5.2.3",
+    "webpack-merge": "6.0.1",
+    "webpack-subresource-integrity": "^5.1.0"
   },
   "packageManager": "yarn@1.0",
   "version": "0.1.0",