Switch to Webpack asset modules

css-loader 6 deprecates the use of `file-loader`. As a replacement,
we can use asset modules which generates very similar results. This is a
fairly simple change, and this makes fonts work again.

See: https://github.com/webpack-contrib/css-loader/releases/tag/v6.0.0
See: https://webpack.js.org/guides/asset-modules/

extensions/ql-vscode/gulpfile.ts/webpack.config.ts

@@ -62,18 +62,10 @@ export const config: webpack.Configuration = {
       },
       {
         test: /\.(woff(2)?|ttf|eot)$/,
-        use: [
-          {
-            loader: "file-loader",
-            options: {
-              name: "[name].[ext]",
-              outputPath: "fonts/",
-              // We need this to make Webpack use the correct path for the fonts.
-              // Without this, the CSS file will use `url([object Module])`
-              esModule: false,
-            },
-          },
-        ],
+        type: "asset/resource",
+        generator: {
+          filename: "fonts/[hash][ext][query]",
+        },
       },
     ],
   },