add version bump script

Author: blink1073

.github/scripts/bump-version.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -eu
+
+CURRENT_VERSION=$(python setup.py --version)
+sed -i "s/__version__ = \"${CURRENT_VERSION}\"/__version__ = \"$1\"/" django_mongodb/__init__.py

.github/workflows/release-python.yml

@@ -49,6 +49,7 @@ jobs:
         id: pre-publish
         with:
           version: ${{ inputs.version }}
+          version_bump_script: ./.github/scripts/bump-version.sh
           dry_run: ${{ inputs.dry_run }}
 
   build-dist:
@@ -90,6 +91,7 @@ jobs:
           product_name: ${{ env.PRODUCT_NAME }}
           silk_asset_group: ${{ env.SILK_ASSET_GROUP }}
           evergreen_project: ${{ env.EVERGREEN_PROJECT }}
+          version_bump_script: ./.github/scripts/bump-version.sh
           token: ${{ github.token }}
           repository_url: https://test.pypi.org/legacy/
           dry_run: ${{ inputs.dry_run }}