ci : try to fix arm builds

Author: ggerganov

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [linux/amd64, linux/arm64, linux/arm/v7, linux/ppc64le]
+        arch: [linux/amd64, linux/ppc64le]
 
     steps:
       - name: Clone
@@ -32,6 +32,35 @@ jobs:
             cmake -B build
             cmake --build build --config Release -j $(nproc)'
 
+  ubuntu-latest-arm:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [linux/arm64, linux/arm/v7]
+        arm_arch_flag:
+          linux/arm64: armv8-a
+          linux/arm/v7: armv7-a
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Build ${{ matrix.arch }}
+        run: |
+          docker run --platform ${{ matrix.arch }} --rm \
+            -v ${{ github.workspace }}:/workspace \
+            -w /workspace ${{ env.ubuntu_image }} /bin/sh -c '
+            set -e
+            apt update
+            apt install -y build-essential libsdl2-dev cmake
+            cmake -B build -DGGML_NATIVE=OFF -DGGML_CPU_ARM_ARCH=${{ matrix.arm_arch_flag }}
+            cmake --build build --config Release -j $(nproc)'
+
   macOS-latest:
     runs-on: macOS-latest