sysutils/podman-suite: update to 20250820

This update contains updates of the following components:

• sysutils/buildah from 1.40.1 to 1.41.3
• sysutils/containers-common from 0.63.1 to 0.64.1
• systutils/podman from 5.5.2 to 5.6.0
• systutils/skopeo from 1.19.0 to 1.20.0

PR: 288990
Approved by: dfr (maintainer)