fix(host-rules): try/catch updating from config

lib/workers/repository/init/config.js

@@ -154,7 +154,16 @@ async function mergeRenovateConfig(config) {
   // istanbul ignore if
   if (resolvedConfig.hostRules) {
     logger.info('Setting hostRules from config');
-    resolvedConfig.hostRules.forEach(hostRules.update);
+    for (const rule of resolvedConfig.hostRules) {
+      try {
+        hostRules.update(rule);
+      } catch (err) {
+        logger.warn(
+          { err, config: rule },
+          'Error setting hostRule from config'
+        );
+      }
+    }
     delete resolvedConfig.hostRules;
   }
   returnConfig = mergeChildConfig(returnConfig, resolvedConfig);