CI: switch linux_aarch64 to GitHub hosted runners (#4557)

See
https://github.blog/changelog/2025-01-16-linux-arm64-hosted-runners-now-available-for-free-in-public-repositories-public-preview/

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Chores**
	- Simplified GitHub Actions workflow for wheel building
	- Streamlined ARM64 build configuration by directly specifying runner
	- Removed conditional runner determination logic

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Signed-off-by: Jinzhe Zeng <[email protected]>

.github/workflows/build_wheel.yml

@@ -14,24 +14,8 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  determine-arm64-runner:
-    runs-on: ubuntu-latest
-    permissions: read-all
-    outputs:
-      runner: ${{ steps.set-runner.outputs.runner }}
-    steps:
-      - name: Determine which runner to use for ARM64 build
-        id: set-runner
-        run: |
-          if [ "${{ github.repository_owner }}" == "deepmodeling" ]; then
-            echo "runner=[\"Linux\",\"ARM64\"]" >> $GITHUB_OUTPUT
-          else
-            echo "runner=\"ubuntu-latest\"" >> $GITHUB_OUTPUT
-          fi
-
   build_wheels:
     name: Build wheels for cp${{ matrix.python }}-${{ matrix.platform_id }}
-    needs: determine-arm64-runner
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -65,7 +49,7 @@ jobs:
             platform_id: win_amd64
             dp_variant: cpu
           # linux-aarch64
-          - os: ${{ fromJson(needs.determine-arm64-runner.outputs.runner) }}
+          - os: ubuntu-24.04-arm
             python: 310
             platform_id: manylinux_aarch64
             dp_variant: cpu