[macos-runner] Fix wake/sleep jobs to use an actually-registered runner label

runs-on: docker matched no registered runner (labels are macos-release,
atomenta, pedifoods, lc-wallet-web). Use pedifoods, this repo's own
existing always-on runner, to run the wake/sleep SSH steps.

.gitea/workflows/test.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   wake-macos-vm:
-    runs-on: docker
+    runs-on: pedifoods
     container:
       image: alpine:3.20
     steps:
@@ -39,7 +39,7 @@ jobs:
   sleep-macos-vm:
     needs: test
     if: always()
-    runs-on: docker
+    runs-on: pedifoods
     container:
       image: alpine:3.20
     steps: