feat(config): allow .github/renovate.json

lib/workers/repository/init/config.js

@@ -31,6 +31,8 @@ async function mergeRenovateConfig(config) {
   let configFile;
   if (fileList.includes('renovate.json')) {
     configFile = 'renovate.json';
+  } else if (fileList.includes('.github/renovate.json')) {
+    configFile = '.github/renovate.json';
   } else if (fileList.includes('.renovaterc')) {
     configFile = '.renovaterc';
   } else if (fileList.includes('.renovaterc.json')) {

lib/workers/repository/onboarding/branch/check.js

@@ -6,6 +6,7 @@ const findFile = async fileName => {
 
 const renovateJsonExists = async () =>
   (await findFile('renovate.json')) ||
+  (await findFile('.github/renovate.json')) ||
   (await findFile('.renovaterc')) ||
   findFile('.renovaterc.json');
 

test/workers/repository/init/config.spec.js

@@ -66,6 +66,14 @@ describe('workers/repository/init/config', () => {
       expect(e.validationError).toMatchSnapshot();
       expect(e.validationMessage).toMatchSnapshot();
     });
+    it('finds .github/renovate.json', async () => {
+      platform.getFileList.mockReturnValue([
+        'package.json',
+        '.github/renovate.json',
+      ]);
+      platform.getFile.mockReturnValue('{}');
+      await mergeRenovateConfig(config);
+    });
     it('finds .renovaterc.json', async () => {
       platform.getFileList.mockReturnValue([
         'package.json',