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/actuated-aarch64-test.yaml

@@ -4,46 +4,20 @@ on: [push, pull_request]
 
 # Cancel any preceding run on the pull request.
 concurrency:
-  group: actuated-test-${{ github.event.pull_request.number || github.ref }}
+  group: aarch64-test-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: ${{ github.ref != 'refs/heads/criu-dev' }}
 
 jobs:
   build:
-    # Actuated runners are not available in all repositories.
-    if: ${{ github.repository == 'checkpoint-restore/criu' }}
-    # The memory size and the number of CPUs can be freely selected for
-    # the actuated runners. 3GB and 4 CPUs seems to be enough according to the
-    # result from 'vmmeter'.
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-24.04-arm
     strategy:
-      fail-fast: false
       matrix:
-        os: [actuated-arm64-4cpu-3gb, ubuntu-24.04-arm]
         target: [GCC=1, CLANG=1]
 
     steps:
-    # https://gist.github.com/alexellis/1f33e581c75e11e161fe613c46180771#file-metering-gha-md
-    # vmmeter start
-    - name: Prepare arkade
-      if: ${{ matrix.os == 'actuated-arm64-4cpu-3gb' }}
-      uses: alexellis/arkade-get@master
-      with:
-        crane: latest
-        print-summary: false
-
-    - name: Install vmmeter
-      if: ${{ matrix.os == 'actuated-arm64-4cpu-3gb' }}
-      run: |
-        crane export --platform linux/arm64 ghcr.io/openfaasltd/vmmeter:latest | sudo tar -xvf - -C /usr/local/bin
-
-    - name: Run vmmeter
-      if: ${{ matrix.os == 'actuated-arm64-4cpu-3gb' }}
-      uses: self-actuated/vmmeter-action@master
-    # vmmeter end
-
     - uses: actions/checkout@v4
-    - name: Run Tests ${{ matrix.target }}/${{ matrix.os }}
-      # Following tests are failing on the actuated VMs:
+    - 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))
       #