Update podman and skopeo images

Author: mporrato

ansible/roles/operator-pipeline/templates/openshift/pipelines/operator-ci-pipeline.yml

@@ -29,7 +29,7 @@ spec:
       default: image-registry.openshift-image-registry.svc:5000
     - name: podman_image
       description: Podman image
-      default: "registry.redhat.io/rhel8/podman:8.5-13"
+      default: "registry.redhat.io/rhel8/podman:8.7"
     - name: env
       description: Which environment to run in. Can be one of [dev, qa, stage, prod]
       default: "prod"

ansible/roles/operator-pipeline/templates/openshift/tasks/generate-index.yml

@@ -8,7 +8,7 @@ spec:
     - name: pipeline_image
     - name: podman_image
       description: Podman image
-      default: "registry.redhat.io/rhel8/podman:8.5-13"
+      default: "registry.redhat.io/rhel8/podman:8.7"
     - name: bundle_image
       description: Pull spec of a bundle image
     - name: from_index

ansible/roles/operator-pipeline/templates/openshift/tasks/inspect-image.yml

@@ -7,10 +7,10 @@ spec:
   params:
     - name: skopeo_image
       description: Skopeo image
-      default: "registry.redhat.io/rhel8/skopeo:8.4-13"
+      default: "registry.redhat.io/rhel8/skopeo:8.7"
     - name: podman_image
       description: Podman image
-      default: "registry.redhat.io/rhel8/podman:8.4-14"
+      default: "registry.redhat.io/rhel8/podman:8.7"
     - name: image
       description: reference to the existing bundle image
     - name: registry