[stable-2.8] Fix pipelining in buildah connection plugin

changelogs/fragments/59745-fix-pipelining-in-buildah-connection-plugin.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- Pipelining now works with the buildah plugin.

lib/ansible/plugins/connection/buildah.py

@@ -120,7 +120,7 @@ class Connection(ConnectionBase):
         # shlex.split has a bug with text strings on Python-2.6 and can only handle text strings on Python-3
         cmd_args_list = shlex.split(to_native(cmd, errors='surrogate_or_strict'))
 
-        rc, stdout, stderr = self._buildah("run", cmd_args_list)
+        rc, stdout, stderr = self._buildah("run", cmd_args_list, in_data)
 
         display.vvvvv("STDOUT %r STDERR %r" % (stderr, stderr))
         return rc, stdout, stderr