Enable Release Pypi workflow to be called in another repo (#11483)

.github/workflows/release-pypi.yml

@@ -0,0 +1,78 @@
+name: Nightly Release
+
+on:
+  # pull_request:
+  #   branches: [ main ]
+  #   paths:
+  #     - '.github/workflows/nightly_build.yml'
+  # schedule:
+  #   - cron: '00 15 * * *'  # GMT time, 15:00 GMT == 23:00 China
+  # workflow_dispatch:
+  workflow_call:
+    inputs:
+      checkout-ref:
+        description: 'ref for checking out, including branch, tag or SHA'
+        required: false
+        type: string
+      release-version:
+        description: 'ipex-llm version (e.g. 2.1.0b1)'
+        required: false
+        type: string
+      schedule-event:
+        description: 'whether it is triggered by schedule event'
+        required: true
+        type: boolean
+permissions:
+  contents: read
+
+jobs:
+
+  llm-cpp-build:
+    uses: ./.github/workflows/llm-binary-build.yml
+
+  ipex-llm-build:
+    # python build can only be published once a day, please do not publish it manually
+    # if: ${{ github.event.schedule || github.event_name == 'workflow_dispatch' }} 
+    runs-on: [self-hosted, Bree]
+    needs: llm-cpp-build
+    steps:
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # actions/checkout@v3
+      with:
+        repository: 'intel-analytics/ipex-llm'
+        ref: ${{ github.event.inputs.checkout-ref }}
+
+    - name: Set up Python 
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.7.15'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build
+        pip install wheel
+        pip install twine
+
+    - name: Download llm binary
+      uses: ./.github/actions/llm/download-llm-binary
+
+    - name: set release version
+      run: |
+        if [[ "${{ github.event.inputs.schedule-event }}" == "true" ]]; then
+          export TIMESTAMP=`date '+%Y%m%d'`
+          export PYPI_VERSION=2.1.0
+          export RELEASE_VERSION=${PYPI_VERSION}b${TIMESTAMP}
+        else
+          export RELEASE_VERSION=${{ github.event.inputs.release-version }}
+        fi
+        echo "RELEASE_VERSION=${RELEASE_VERSION}" >> $GITHUB_ENV
+
+    - name: Build package
+      run: |
+        echo ${RELEASE_VERSION}
+
+        ## windows ##
+        bash python/llm/dev/release_default_windows.sh ${RELEASE_VERSION} true
+
+        ## linux ##
+        bash python/llm/dev/release_default_linux.sh ${RELEASE_VERSION} true