Use podman from podman-next

Enforce podman update to podman next via allow_vendor_change,
allowerasing and best options

Signed-off-by: Nicola Sella <nsella@redhat.com>

plans/main.fmf

@@ -9,9 +9,18 @@ prepare:
     how: install
     package:
       - make
-      - podman
       - python3-pip
 
+  # tmt copr module seems not enough to install podman from podman-next. I suspect this is related
+  # to dnf5 vendor stickiness so we need to enforce an update with both allow_vendor_change and
+  # allowerasing. Best is also needed to ensure the latest version is installed.
+  - name: enable rhcontainerbot/podman-next update podman
+    how: shell
+    script:
+      - sudo dnf copr enable -y rhcontainerbot/podman-next
+      - sudo dnf install -y podman
+      - sudo dnf update -y podman --refresh --setopt=allow_vendor_change=true --best --allowerasing
+
   - name: pip dependencies
     how: shell
     script: