ci: Add ARM runners

Add a GitHub ARM runner for the build tests.

Signed-off-by: Naushir Patuck <[email protected]>

Author: naushir

.github/workflows/libpisp-build-test.yaml

@@ -11,14 +11,14 @@ on:
 
 jobs:
   build-test:
-
-    runs-on: [ ubuntu-latest ]
-
     strategy:
       matrix:
+        os: [ ubuntu-latest, ubuntu-24.04-arm ]
         compiler: [ g++, clang++ ]
         build_type: [ release, debug ]
 
+    runs_on: ${{ matrix.os }}
+
     steps:
     - uses: actions/checkout@v3
       with: