Github Action workflow for tagging release on Github Release, copying release notes from CHANGELOG.md

tag_release.yml

name: Tag Release
on:
    push:
        branches: [ main ]
jobs:
    tag_release:
        runs-on: ubuntu-latest
        steps:
            - name: Check out code
              uses: actions/checkout@v2
            - name: Initialize mandatory git config
              run: |
                  git config user.name "GitHub Actions"
                  git config user.email noreply@github.com
            - name: Setup release information
              #get version name from app_versions.gradle file (5.6.2)
              run: |
                  versionName=`sed '2q;d' app_versions.gradle | cut -d "=" -f2 | xargs`
                  export VERSION_NAME=$versionName
                  echo "::set-env name=VERSION_NAME::$VERSION_NAME"
            - name: Extract release notes
              id: extract_release_notes
              uses: ffurrer2/extract-release-notes@v1
            - name: Create Release
              id: create_release
              uses: actions/create-release@v1
              env:
                    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
              with:
                tag_name: ${{ env.VERSION_NAME }}
                release_name: v${{ env.VERSION_NAME }}
                body: ${{ steps.extract_release_notes.outputs.release_notes }}
                draft: false
                prerelease: false
            - name: Slack notify
              uses: rtCamp/action-slack-notify@master
              env:
                SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_OVER_APP }}
                SLACK_CHANNEL: #over-app-android
                SLACK_TITLE: 🚨 Version ${{ env.VERSION_NAME }} is being published to Google Play Internal Test
                SLACK_MESSAGE: ${{ steps.extract_release_notes.outputs.release_notes }}
                MSG_MINIMAL: true