2.9: YUM: Ensure we have enough values to split (#56802) (#71104)

* Ensure we have enough values to split (#56802)

Avoid raising an exception if pkgstr does not complains with expected
value.

(cherry picked from commit 433c98eae0)

* Add changelog

Co-authored-by: Adrián López <adrianlzt+github@gmail.com>

changelogs/fragments/56800-fix-yum-list-repoquery.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - yum - fix yum list crashing if repoquery (used internally) prints errors in stdout (https://github.com/ansible/ansible/issues/56800)

lib/ansible/modules/packaging/os/yum.py

@@ -809,7 +809,7 @@ class YumModule(YumDnf):
                 os.environ["https_proxy"] = old_proxy_env[1]
 
     def pkg_to_dict(self, pkgstr):
-        if pkgstr.strip():
+        if pkgstr.strip() and pkgstr.count('|') == 5:
             n, e, v, r, a, repo = pkgstr.split('|')
         else:
             return {'error_parsing': pkgstr}