chore(ci): run grpc build on self-hosted

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

.github/workflows/generate_grpc_cache.yaml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         include:
           - grpc-base-image: ubuntu:22.04
-            runs-on: 'ubuntu-latest'
+            runs-on: 'arc-runner-set'
             platforms: 'linux/amd64,linux/arm64'
     runs-on: ${{matrix.runs-on}}
     steps: