Update release script (#372)

Author: asherf

.github/workflows/pre-release.yml

@@ -0,0 +1,37 @@
+name: Release
+on:
+  push:
+    branches:
+      - "master"
+jobs:
+  pre-release-django-prometheus-job:
+    runs-on: ubuntu-latest
+    name: pre-release django-prometheus
+    permissions:
+      id-token: write
+    # environment:
+    #   name: pypi
+    #   url: https://test.pypi.org/p/django-prometheus/
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.9
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install wheel setuptools packaging twine build --upgrade
+    - name: Set version number
+      run: python update_version_from_git.py
+    - name: Build
+      run: python -m build
+    - name: Publish to TEST PyPI
+      uses: pypa/[email protected]
+      with:
+        repository-url: https://test.pypi.org/legacy/
+        skip-existing: true
+        verbose: true
+        print-hash: true