fix(ci): use the master branch of ccb (#235)

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

Author: kyteinsky

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

@@ -124,8 +124,6 @@ jobs:
           repository: nextcloud/context_chat_backend
           path: context_chat_backend/
           persist-credentials: false
-          # todo: remove later
-          ref: feat/noid/rev-content-flow
 
       - name: Checkout viewer
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/integration-test-file-listener.yml

@@ -116,8 +116,6 @@ jobs:
           repository: nextcloud/context_chat_backend
           path: context_chat_backend/
           persist-credentials: false
-          # todo: remove later
-          ref: feat/noid/rev-content-flow
 
       - name: Checkout viewer
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2