fixing babel.config.js filename in message

Author: weaverryan

lib/WebpackConfig.js

@@ -397,7 +397,7 @@ class WebpackConfig {
             }
 
             if (this.doesBabelRcFileExist()) {
-                logger.warning('The "callback" argument of configureBabel() will not be used because your app already provides an external Babel configuration (e.g. a ".babelrc" or "babelrc.config.js" file or "babel" key in "package.json"). Use null as a first argument to remove that warning.');
+                logger.warning('The "callback" argument of configureBabel() will not be used because your app already provides an external Babel configuration (e.g. a ".babelrc" or "babel.config.js" file or "babel" key in "package.json"). Use null as a first argument to remove that warning.');
             }
         }
 
@@ -416,7 +416,7 @@ class WebpackConfig {
             }
 
             if (this.doesBabelRcFileExist() && !allowedOptionsWithExternalConfig.includes(normalizedOptionKey)) {
-                logger.warning(`The "${normalizedOptionKey}" option of configureBabel() will not be used because your app already provides an external Babel configuration (e.g. a ".babelrc" or "babelrc.config.js" file or "babel" key in "package.json").`);
+                logger.warning(`The "${normalizedOptionKey}" option of configureBabel() will not be used because your app already provides an external Babel configuration (e.g. a ".babelrc" or "babel.config.js" file or "babel" key in "package.json").`);
                 continue;
             }
 
@@ -463,7 +463,7 @@ class WebpackConfig {
         }
 
         if (this.doesBabelRcFileExist()) {
-            throw new Error('The "callback" argument of configureBabelPresetEnv() will not be used because your app already provides an external Babel configuration (e.g. a ".babelrc" or "babelrc.config.js" file or "babel" key in "package.json").');
+            throw new Error('The "callback" argument of configureBabelPresetEnv() will not be used because your app already provides an external Babel configuration (e.g. a ".babelrc" or "babel.config.js" file or "babel" key in "package.json").');
         }
 
         this.babelPresetEnvOptionsCallback = callback;