Checkout test branch of the installer repo

Author: MatteoPologruto

.github/workflows/release.yml

@@ -191,6 +191,7 @@ jobs:
         with:
           repository: "bcmi-labs/arduino-create-agent-installer" # the repo which contains the bundle structure and icons
           token: ${{ secrets.ARDUINO_CREATE_AGENT_CI_PAT }}
+          ref: rename-to-cloud-agent
 
       - name: Download artifact
         uses: actions/download-artifact@v4
@@ -422,6 +423,7 @@ jobs:
         with:
           repository: "bcmi-labs/arduino-create-agent-installer" # the repo which contains install.xml
           token: ${{ secrets.ARDUINO_CREATE_AGENT_CI_PAT }}
+          ref: rename-to-cloud-agent
 
       - name: Download artifact
         uses: actions/download-artifact@v4
@@ -515,6 +517,7 @@ jobs:
         with:
           repository: "bcmi-labs/arduino-create-agent-installer" # the repo which contains the icons/background
           token: ${{ secrets.ARDUINO_CREATE_AGENT_CI_PAT }}
+          ref: rename-to-cloud-agent
 
       - name: Download artifact
         uses: actions/download-artifact@v4