Fixes a bunch of warnings about missing utilities in the webpack process.

web/package.json

@@ -37,6 +37,9 @@
     "exports-loader": "^2.0.0",
     "html-react-parser": "^1.2.7",
     "image-minimizer-webpack-plugin": "^2.2.0",
+    "imagemin-mozjpeg": "^10.0.0",
+    "imagemin-optipng": "^8.0.0",
+    "imagemin-pngquant": "^9.0.2",
     "is-docker": "^2.1.1",
     "istanbul-instrumenter-loader": "^3.0.1",
     "jasmine-core": "^3.6.0",