ci: bump daemon to V2.0.15

Author: tuxuser

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           repository: hyperion-project/hyperion.ng
-          ref: 2.0.14
+          ref: 2.0.15
           path: hyperion.ng
           submodules: recursive
           fetch-depth: 0