github: workflows: don't run stress on yyz-zephyr-01

this machine has been dropping off the grid whenever
we run burn-in on it. So don't let it run burn-in

Signed-off-by: James Growden <jgrowden@tenstorrent.com>

Author: jgrowdenTT

.github/workflows/hardware-long.yml

@@ -49,7 +49,7 @@ jobs:
       fail-fast: false
       matrix:
         config: ${{ fromJson(needs.gen-config.outputs.matrix-config) }}
-    runs-on: ${{ matrix.config.runs-on }}
+    runs-on: ${{ fromJson(format('["{0}", "!yyz-zephyr-01-lab-p300a"]', matrix.config.runs-on)) }}
     container:
       image: ghcr.io/tenstorrent/tt-zephyr-platforms/ci-image:v18.12.0-rc1
       volumes: