Fix the development only js-yaml dependency being included in the release builds (#2646)

_scripts/webpack.renderer.config.js

@@ -163,6 +163,12 @@ if (isDevMode) {
     processLocalesPlugin,
     new webpack.DefinePlugin({
       'process.env.LOCALE_NAMES': JSON.stringify(processLocalesPlugin.localeNames)
+    }),
+    // webpack doesn't get rid of js-yaml even though it isn't used in the production builds
+    // so we need to manually tell it to ignore any imports for `js-yaml`
+    new webpack.IgnorePlugin({
+      resourceRegExp: /^js-yaml$/,
+      contextRegExp: /i18n$/
     })
   )
 }

_scripts/webpack.web.config.js

@@ -189,6 +189,12 @@ if (isDevMode) {
             },
           },
       ]
+    }),
+    // webpack doesn't get rid of js-yaml even though it isn't used in the production builds
+    // so we need to manually tell it to ignore any imports for `js-yaml`
+    new webpack.IgnorePlugin({
+      resourceRegExp: /^js-yaml$/,
+      contextRegExp: /i18n$/
     })
   )
 }