fix(composer): --ignore-platform-reqs

lib/manager/composer/lock-file.js

@@ -29,7 +29,9 @@ async function getLockFile(
     await fs.outputFile(composerLockFileName, existingComposerLockContent);
     const env = { HOME: process.env.HOME, PATH: process.env.PATH };
     const startTime = process.hrtime();
-    const cmd = ('composer update ' + updatedDeps.join(' ')).trim();
+    const cmd =
+      ('composer update ' + updatedDeps.join(' ')).trim() +
+      ' --ignore-platform-reqs';
     logger.debug({ cmd });
     ({ stdout, stderr } = await exec(cmd, {
       cwd: tmpDir.path,