fix: cache docker build image

Signed-off-by: Anupam Kumar <kyteinsky@gmail.com>

Author: kyteinsky

.github/workflows/integration-test-k8s.yml

@@ -208,13 +208,9 @@ jobs:
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3.6.0
-        with:
-          cache-image: false
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
-        with:
-          cache-binary: false
 
       - name: Build the context_chat_backend cpu image
         uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6
@@ -225,6 +221,8 @@ jobs:
           tags: ccb-cpu:latest
           target: runtime-cpu
           load: true
+          cache-from: type=registry,ref=nextcloud/context_chat_backend:cpu-build-cache,compression=max
+          cache-to: type=registry,ref=nextcloud/context_chat_backend:cpu-build-cache
 
       - name: Pre-load CCB ExApp image into k3s
         run: docker save ccb-cpu:latest | sudo k3s ctr images import -

.github/workflows/integration-test.yml

@@ -113,8 +113,6 @@ jobs:
           repository: nextcloud/context_chat
           path: apps/context_chat
           persist-credentials: false
-          # todo: remove later
-          ref: feat/reverse-content-flow
 
       - name: Checkout backend
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4