Fix type in .github/workflows/ci.yml

ubuntu-22.04-arm64 -> ubuntu-22.04-arm

Author: python-processing-unit

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, ubuntu-22.04-arm64]
+        os: [ubuntu-22.04, ubuntu-22.04-arm]
 
     steps:
       - name: Checkout code