.github/workflows/test.yml: bump to ubuntu-latest

.github/workflows/test.yml

@@ -11,19 +11,16 @@ on:
 
 jobs:
   e2e:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
           go-version-file: 'go.mod'
       - name: Install podman
         run: |
-          . /etc/os-release
-          echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
-          curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/Release.key | sudo apt-key add -
           sudo apt-get update
-          sudo apt-get -y install conntrack podman
+          sudo apt-get -y install podman
           podman version
       - name: Create kind cluster and setup local docker registry
         run: |