podman_compose: fix in-pod argparse type

If "bool" is provided as an argparse type it will only evaluate to false
if an empty string is provided. This lambda attempts to resolve this by
filtering for "1" or "true".

Signed-off-by: Randolph Sapp <res.sapp@gmail.com>

podman_compose.py

@@ -1927,7 +1927,7 @@ class PodmanCompose:
             "--in-pod",
             help="pod creation",
             metavar="in_pod",
-            type=bool,
+            type=lambda x: x.lower() in ["1", "true"],
             default=True,
         )
         parser.add_argument(