workflows: manifest: Update revision of action-manifest

To pick up:
zephyrproject-rtos/action-manifest@9cda777

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>

Author: carlescufi

.github/workflows/manifest.yml

@@ -34,7 +34,7 @@ jobs:
           west init -l . || true
 
       - name: Manifest
-        uses: zephyrproject-rtos/action-manifest@09983f53d3d878791aa37a7755ae44d695f4c1e5 # v2.0.0
+        uses: zephyrproject-rtos/action-manifest@700ecf53942aba4433c070e5e58193f75c8eddde # v2.0.0
         with:
           github-token: ${{ secrets.NCS_NORDICBUILDER_ACTION_TOKEN }}
           manifest-path: 'west.yml'