Fix typo: pipefile -> pipefail

Bug: twpowertools:20
Change-Id: I870a8b8a74eb09a3eaff09d17f83392695e028d5
diff --git a/roles/cws-publish/tasks/main.yaml b/roles/cws-publish/tasks/main.yaml
index eac466d..7f37726 100644
--- a/roles/cws-publish/tasks/main.yaml
+++ b/roles/cws-publish/tasks/main.yaml
@@ -31,13 +31,14 @@
   when: not (dry_run|bool)
   ansible.builtin.shell:
     cmd: |
-      set -o pipefile
+      set -o pipefail
       chrome-webstore-upload upload --auto-publish --extension-id {{ extension_id }} \
           --source {{ zip_file.stdout|quote }} \
           --client-id {{ credentials.clientId|quote }} \
           --refresh-token {{ credentials.refreshToken|quote }} \
           2>&1 | tee cws-log.txt
     chdir: "{{ zuul.project.src_dir }}/out"
+    executable: /bin/bash
   no_log: True
   register: uploadcmd
   failed_when: