try ubuntu arm runner

Author: rnbguy

.github/workflows/hermes.yaml

@@ -11,8 +11,11 @@ concurrency:
 
 jobs:
   starknet-integration-tests:
+    strategy:
+      matrix:
+        os: [ubuntu-24.04, ubuntu-24.04-arm]
     name: Run Starknet Integration Tests
-    runs-on: ubuntu-20.04
+    runs-on: ${{ matrix.os }}
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4