您可以修改GitHub操作工作流，以包含尝试强制删除PostgreSQL数据库的步骤。

name: Delete PostgreSQL Database

on:
  push:
    branches:
      - main

jobs:
  delete-database:
    runs-on: ubuntu-latest

steps:
- name: Set up Google Cloud CLI
  uses: google-github-actions/setup-gcloud@master
  with:
    project_id: ${{ secrets.GCP_PROJECT_ID }}
    service_account_key: ${{ secrets.GCP_SA_KEY }}
    export_default_credentials: true

- name: Forcefully Delete PostgreSQL Database
  run: |
    # Replace 'your_database_name' and 'OurInstance' with your actual database name and instance name.
    DATABASE_NAME="your_database_name"
    INSTANCE_NAME="OurInstance"
    
    # Forcefully disconnect active connections
    gcloud sql users set-password postgres@${INSTANCE_NAME} --password=random-password
    
    # Retry database deletion
    retries=3
    while [ $retries -gt 0 ]; do
      if gcloud sql databases delete ${DATABASE_NAME} -i ${INSTANCE_NAME}; then
        echo "Database deletion successful."
        break
      else
        echo "Retrying database deletion..."
        sleep 10
        retries=$((retries - 1))
      fi
    done

字符串
强制删除PostgreSQL数据库：
为“postgres”用户设置一个随机密码，这可能会强制断开活动连接。重试数据库删除，允许活动连接关闭一段时间。