CI: Consolidate arm64 tests on GitHub runners

The arm64 tests are currently being executed on both actuated and GitHub
runners. This change removes the actuated runner to avoid redundancy and
streamline our CI process.

Signed-off-by: Andrei Vagin <[email protected]>

Author: avagin

.github/workflows/aarch64-test.yaml

@@ -0,0 +1,32 @@
+name: aarch64 test
+
+on: [push, pull_request]
+
+# Cancel any preceding run on the pull request.
+concurrency:
+  group: aarch64-test-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/criu-dev' }}
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04-arm
+    strategy:
+      matrix:
+        target: [GCC=1, CLANG=1]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Run Tests ${{ matrix.target }}
+      # Following tests are failing on the VMs:
+      #  ./change_mnt_context --pidfile=change_mnt_context.pid --outfile=change_mnt_context.out
+      #   45: ERR: change_mnt_context.c:23: mount (errno = 22 (Invalid argument))
+      #
+      # In combination with '--remote-lazy-pages' following error occurs:
+      #  138: FAIL: maps05.c:84: Data corrupted at page 1639 (errno = 11 (Resource temporarily unavailable))
+      run: |
+        # The 'sched_policy00' needs the following:
+        sudo sysctl -w kernel.sched_rt_runtime_us=-1
+        # etc/hosts entry is needed for netns_lock_iptables
+        echo "127.0.0.1   localhost" | sudo tee -a /etc/hosts
+        sudo -E make -C scripts/ci local ${{ matrix.target }} RUN_TESTS=1 \
+          ZDTM_OPTS="-x zdtm/static/change_mnt_context -x zdtm/static/maps05"