Bump Podman to v5.6.0

Signed-off-by: mheon <7735048+mheon@users.noreply.github.com>

Author: mheon

podman-rpm-info-vars.sh

@@ -5,5 +5,5 @@
 # 2. Both PODMAN_VERSION and PODMAN_PR_NUM will have to be updated manually on release
 # PRs.
 # 3. If PODMAN_PR_NUM is empty, rpms will be fetched from the `rhcontainerbot/podman-next` copr.
-export PODMAN_VERSION="5.6.0-rc2"
-export PODMAN_PR_NUM="26791"
+export PODMAN_VERSION="5.6.0"
+export PODMAN_PR_NUM="26833"