[ci] Update buildah command and version

.gitlab-ci.yml

@@ -19,6 +19,8 @@ variables:
   DOCKERFILE: scripts/ci/docker/zombienet_injected.Dockerfile
   DOCKERHUB_REPO: paritytech
   IMAGE_NAME: $DOCKERHUB_REPO/zombienet
+  BUILDAH_IMAGE: "quay.io/buildah/stable:v1.29"
+  BUILDAH_COMMAND: "buildah --storage-driver overlay2"
 
 .kubernetes-env: &kubernetes-env
   image: $CI_IMAGE
@@ -94,7 +96,7 @@ build:
   script:
     - test "$Docker_Hub_User_Parity" -a "$Docker_Hub_Pass_Parity" ||
       ( echo "no docker credentials provided"; exit 1 )
-    - buildah bud
+    - $BUILDAH_COMMAND build
       --format=docker
       --build-arg VCS_REF="${CI_COMMIT_SHA}"
       --build-arg BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
@@ -104,10 +106,10 @@ build:
       --file "$DOCKERFILE" .
     - echo "$Docker_Hub_Pass_Parity" |
       buildah login --username "$Docker_Hub_User_Parity" --password-stdin docker.io
-    - buildah info
+    - $BUILDAH_COMMAND info
     - echo "Effective tags = ${VERSION} latest"
-    - buildah push --format=v2s2 "$IMAGE_NAME:$VERSION"
-    - buildah push --format=v2s2 "$IMAGE_NAME:latest"
+    - $BUILDAH_COMMAND push --format=v2s2 "$IMAGE_NAME:$VERSION"
+    - $BUILDAH_COMMAND push --format=v2s2 "$IMAGE_NAME:latest"
   after_script:
     - buildah logout --all
 
@@ -117,9 +119,9 @@ publish-test:
   <<: *test-refs
   <<: *kubernetes-env
   variables:
-    CI_IMAGE: quay.io/buildah/stable
+    CI_IMAGE: $BUILDAH_IMAGE
   script:
-    - buildah bud
+    - $BUILDAH_COMMAND build
       --format=docker
       --build-arg VCS_REF="${CI_COMMIT_SHA}"
       --build-arg BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
@@ -130,7 +132,7 @@ publish-test:
 publish-docker-pr:
   stage: publish
   variables:
-    CI_IMAGE: quay.io/buildah/stable
+    CI_IMAGE: $BUILDAH_IMAGE
     DOCKERHUB_REPO: paritypr
   before_script:
     - export VERSION=${CI_COMMIT_SHORT_SHA}
@@ -143,7 +145,7 @@ publish-docker-pr:
 publish-docker:
   stage: publish
   variables:
-    CI_IMAGE: quay.io/buildah/stable
+    CI_IMAGE: $BUILDAH_IMAGE
   before_script:
     - if [[ "${CI_COMMIT_TAG}" ]]; then
       VERSION=${CI_COMMIT_TAG};