Merge pull request #1127 from tmshort/move-master-to-main

NO-ISSUE: Update verify_commits.sh to use main branch

Author: openshift-merge-bot[bot]

scripts/verify_commits.sh

@@ -112,7 +112,7 @@ function fetch_remotes() {
 function main() {
     fetch_remotes || { err "failed to fetch remotes" &&  exit 1; }
 
-    local target_branch="${1:-master}"
+    local target_branch="${1:-main}"
 
     # get all commits we're introducing into the target branch
     local -a new_commits