remove arm images

Author: PierreMarchand20

.github/workflows/main.yml

@@ -15,7 +15,6 @@ jobs:
         cc: [gcc, clang]
         mpi: [openmpi, mpich]
         os: [ubuntu, debian]
-        platform: [amd64, arm64]
 
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, '[main skip]')"
@@ -33,12 +32,12 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build and push
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           context: "{{defaultContext}}:${{ matrix.os }}"
           push: true
           platforms: |-
-            linux/${{ matrix.platform }}
+            linux/amd64
           target: ${{ matrix.os }}_${{ matrix.cc }}_${{ matrix.mpi }}
           tags: ${{ secrets.DOCKERHUB_USERNAME }}/htool_testing_environments:${{ matrix.os }}_${{ matrix.cc }}_${{ matrix.mpi }}
           cache-from: ${{ secrets.DOCKERHUB_USERNAME }}/htool_testing_environments:${{ matrix.os }}_${{ matrix.cc }}_${{ matrix.mpi }}