jobs/bump-lockfile: bump timeout again

We've done a few things but we still see timeouts sometimes
on the FCOS ppc64le builder. It's mainly because that's the
least resourced builder we have and it's shared with koji
builds going on at the same time. Let's just bump it again.

Author: dustymabe

jobs/bump-lockfile.Jenkinsfile

@@ -66,7 +66,7 @@ lock(resource: "bump-lockfile") {
     cosaPod(image: cosa_img,
             cpu: "${ncpus}", memory: "${cosa_memory_request_mb}Mi",
             serviceAccount: "jenkins") {
-    timeout(time: 150, unit: 'MINUTES') {
+    timeout(time: 180, unit: 'MINUTES') {
     try {
 
         currentBuild.description = "[${params.STREAM}] Running"