Use new arm64 runners for Linux tests

Supercedes atomvm#1878

Signed-off-by: Peter M <petermm@gmail.com>

Author: petermm

.github/workflows/build-and-test-other.yaml

@@ -70,7 +70,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: ["arm32v5", "arm32v7", "arm64v8"]
+        arch: ["arm32v5", "arm32v7"]
 
         include:
         - arch: "arm32v5"
@@ -100,12 +100,6 @@ jobs:
           cflags: "-mcpu=cortex-a7 -mfloat-abi=hard -O2 -mthumb -mthumb-interwork -D_FILE_OFFSET_BITS=64"
           cmake_opts: "-DAVM_WARNINGS_ARE_ERRORS=ON"
 
-        - arch: "arm64v8"
-          platform: "arm64/v8"
-          tag: "bookworm"
-          cflags: "-O2"
-          cmake_opts: "-DAVM_WARNINGS_ARE_ERRORS=ON"
-
         # Required for testing big endian archs
         - arch: "s390x"
           platform: "s390x"

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

@@ -300,6 +300,14 @@ jobs:
           rebar3_version: "3.24.0"
           cmake_opts_other: "-DAVM_DISABLE_JIT=OFF"
 
+        # arm64 build
+        - os: "ubuntu-24.04-arm"
+          rebar3_version: "3.24.0"
+          cc: "cc"
+          cxx: "c++"
+          cflags: "-O2"
+          otp: "28"
+
     env:
       ImageOS: ${{ matrix.container == 'ubuntu:20.04' && 'ubuntu20' || matrix.os == 'ubuntu-20.04' && 'ubuntu20' || matrix.os == 'ubuntu-22.04' && 'ubuntu22' || matrix.os == 'ubuntu-24.04' && 'ubuntu24' || 'ubuntu24' }}
       CC: ${{ matrix.cc }}
@@ -390,9 +398,16 @@ jobs:
       working-directory: build
       run: |
         ulimit -c unlimited
-        valgrind --error-exitcode=1 ./tests/test-erlang -s prime_smp
         ./tests/test-erlang -s prime_smp
 
+    - name: "Test: valgrind test-erlang"
+      if: matrix.os != "ubuntu-24.04-arm"
+      timeout-minutes: 15
+      working-directory: build
+      run: |
+        ulimit -c unlimited
+        valgrind --error-exitcode=1 ./tests/test-erlang -s prime_smp
+
     - name: "Test: test-enif"
       working-directory: build
       run: |