ci(podman): workaround for podman v4

.github/workflows/ci.yaml

@@ -61,7 +61,7 @@ jobs:
     - name: Run controller tests
       run: make test-envtest
   scorecard-test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest # 22.04
     if: ${{ github.repository_owner == 'cryostatio' }}
     steps:
     - name: Fail if safe-to-test label NOT applied
@@ -74,6 +74,16 @@ jobs:
     - uses: jpkrohling/[email protected]
       with:
         operator-sdk-version: v1.28.0
+    - name: Install podman v4
+      run: |
+        ubuntu_version='22.04'
+        key_url="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_${ubuntu_version}/Release.key"
+        sources_url="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_${ubuntu_version}"
+
+        echo "deb $sources_url/ /" | tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list
+        curl -fsSL $key_url | gpg --dearmor | tee /etc/apt/trusted.gpg.d/devel_kubic_libcontainers_unstable.gpg > /dev/null
+        apt update
+        apt install podman
     - name: Build scorecard image for test
       id: build-scorecard
       run: |
@@ -154,6 +164,16 @@ jobs:
     if: ${{ github.event_name == 'push' && github.repository_owner == 'cryostatio' }}
     steps:
     - uses: actions/checkout@v2
+    - name: Install podman v4
+      run: |
+        ubuntu_version='22.04'
+        key_url="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_${ubuntu_version}/Release.key"
+        sources_url="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_${ubuntu_version}"
+
+        echo "deb $sources_url/ /" | tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list
+        curl -fsSL $key_url | gpg --dearmor | tee /etc/apt/trusted.gpg.d/devel_kubic_libcontainers_unstable.gpg > /dev/null
+        apt update
+        apt install podman
     - name: Build operator image
       run: |
         IMAGE_NAMESPACE=${{ env.CI_REGISTRY }} SKIP_TESTS=true PLATFORMS=${{ env.CI_PLATFORMS }} MANIFEST_PUSH=false make oci-buildx
@@ -215,6 +235,16 @@ jobs:
     if: ${{ github.event_name == 'push' && github.repository_owner == 'cryostatio' }}
     steps:
     - uses: actions/checkout@v2
+    - name: Install podman v4
+      run: |
+        ubuntu_version='22.04'
+        key_url="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_${ubuntu_version}/Release.key"
+        sources_url="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_${ubuntu_version}"
+
+        echo "deb $sources_url/ /" | tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list
+        curl -fsSL $key_url | gpg --dearmor | tee /etc/apt/trusted.gpg.d/devel_kubic_libcontainers_unstable.gpg > /dev/null
+        apt update
+        apt install podman
     - name: Get scorecard image tag
       id: get-image-tag
       run: |