.github/workflows/qubesos.yml: switch branch

Signed-off-by: Sergii Dmytruk <[email protected]>

Author: SergiiDmytruk

.github/workflows/qubesos.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   qubes-dom0-package:
-    uses: TrenchBoot/.github/.github/workflows/qubes-dom0-packagev2.yml@master
+    uses: TrenchBoot/.github/.github/workflows/qubes-dom0-packagev2.yml@very-stable
 
     with:
       qubes-component: 'secure-kernel-loader'