fixing two critical vulnerabilities (#1076)

Author: jtuchscherer

package.json

@@ -56,28 +56,31 @@
     "@babel/plugin-proposal-private-property-in-object": "^7.21.0",
     "@babel/plugin-transform-runtime": "^7.6.2",
     "babel-jest": "^29.1.0",
-    "babel-loader": "^8.0.6",
+    "babel-loader": "8.4.1",
     "babel-preset-gatsby": "^3.14.0",
     "chai": "^4.3.6",
-    "copy-webpack-plugin": "^5.0.4",
+    "copy-webpack-plugin": "6.4.1",
     "css-hot-loader": "^1.4.4",
     "css-loader": "^3.2.0",
     "file-loader": "^4.2.0",
     "gatsby-cli": "5.14.0",
     "html-loader": "^0.5.5",
-    "html-webpack-plugin": "^3.2.0",
+    "html-webpack-plugin": "4.5.2",
     "html-webpack-template": "^6.2.0",
     "identity-obj-proxy": "^3.0.0",
     "jest": "^29.7.0",
     "mocha": "^10.0.0",
     "postcss-loader": "^3.0.0",
     "prettier": "^1.18.2",
     "react-test-renderer": "^18.2.0",
-    "resolve-url-loader": "^3.1.0",
+    "resolve-url-loader": "4.0.0",
     "sass": "^1.49.9",
     "sass-loader": "^11.1.1",
     "style-loader": "^1.0.0",
     "webpack": "5.97.0",
     "webpack-dev-server": "^3.8.0"
+  },
+  "resolutions": {
+    "mkdirp": "^0.5.6"
   }
 }