chore: Update CI to use Canonical K8s

.github/workflows/integrate.yaml

@@ -63,14 +63,15 @@ jobs:
     steps:
       - name: Check out code
         uses: actions/checkout@v4
+      - name: Install dependencies
+        run: pipx install tox
 
-      - name: Setup operator environment
-        uses: charmed-kubernetes/actions-operator@main
-        with:
-          provider: microk8s
-          channel: 1.32-strict/stable
-          juju-channel: 3.6/stable
-          charmcraft-channel: 3.x/stable
+      - name: Setup environment
+        run: |
+          sudo apt-get remove -y docker-ce docker-ce-cli containerd.io
+          sudo rm -rf /run/containerd
+          sudo snap install concierge --classic
+          sudo concierge prepare --trace
 
       - name: Run test
         run: |

concierge.yaml

@@ -0,0 +1,24 @@
+juju:
+  channel: 3.6/stable
+  model-defaults:
+    logging-config: <root>=INFO; unit=DEBUG
+
+providers:
+  k8s:
+    enable: true
+    bootstrap: true
+    channel: 1.32-classic/stable
+    features:
+      local-storage:
+    bootstrap-constraints:
+      root-disk: 4G
+
+  lxd:
+    enable: true
+    bootstrap: false
+    channel: latest/stable
+
+host:
+  snaps:
+    charmcraft:
+      channel: 3.x/stable