feat: Update release workflow to upload image artifact

Add a step to extract and upload the image artifact for debugging
purposes. Now, the workflow uploads the image file instead of the elf
file. Also, commented out uploading elf file for now.

.github/workflows/release.yml

@@ -121,17 +121,20 @@ jobs:
           mkdir -p ${{ matrix.copy_artifact_dest }}
     - name: Extract Artifact from output image
       run: |
-        set my_cwd=$(pwd)
-        mkdir -p ${{ runner.temp }}/mount
-        mount ${{ steps.arm_runner_install.outputs.image }} ${{ runner.temp }}/mount
+        # debugging purpose, we upload image to artifacts
         mkdir -p ./release
-        cp -r ${{ runner.temp }}/mount ./release
-
+        cp ${{ steps.arm_runner_install.outputs.image }} cg-${{ matrix.arch }}.img
     - name: Upload Artifact (ARM)
       uses: actions/upload-artifact@v4
       with:
-        name: release/cg-${{ matrix.arch }}.elf
-        path: release/cg-${{ matrix.arch }}.elf
+        name: cg-${{ matrix.arch }}.img
+        path: cg-${{ matrix.arch }}.img
+
+    # - name: Upload Artifact (ARM)
+    #   uses: actions/upload-artifact@v4
+    #   with:
+    #     name: release/cg-${{ matrix.arch }}.elf
+    #     path: release/cg-${{ matrix.arch }}.elf
 
   release:
     needs: [build, build_arm]