refactor: log npmrc

lib/config/decrypt.js

@@ -44,6 +44,7 @@ function decryptConfig(config, privateKey) {
                 }
                 /* eslint-enable no-template-curly-in-string */
               } else {
+                logger.debug('Adding npmrc to config');
                 decryptedConfig.npmrc = `//registry.npmjs.org/:_authToken=${token}\n`;
               }
             } else {

lib/workers/repository/init/config.js

@@ -121,6 +121,7 @@ async function mergeRenovateConfig(config) {
   const decryptedConfig = decryptConfig(migratedConfig, config.privateKey);
   // istanbul ignore if
   if (decryptedConfig.npmrc) {
+    logger.debug('Found npmrc in decrypted config - setting');
     npmApi.setNpmrc(
       decryptedConfig.npmrc,
       config.global ? config.global.exposeEnv : false