The error Operation timed out error can happen when current machine or resource won’t allow to connect which was stated from the below link.

https://www.digitalocean.com/docs/databases/postgresql/resources/troubleshoot-connections/

Also, I have added services for postgres to wait until it starts before running the migration.

https://docs.github.com/en/actions/guides/creating-postgresql-service-containers

name: Python application

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:

    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:12
        env:
          POSTGRES_USER: doadmin
          POSTGRES_PASSWORD: bzxc9yuyjly1li8w
          POSTGRES_DB: defaultdb
          hostname: postgres
        ports:
            - 25060:25060
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    steps:
    - uses: actions/checkout@v2
    - name: docker login
      env:
        DOCKER_ID: ${{ secrets.DOCKER_ID }}
        DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }} 
      run: |
        docker login -u $DOCKER_ID -p $DOCKER_PASSWORD
    - name: docker build
      run: |
        docker rmi --force "sweforever92/sweforever92-community:latest"
        docker build -t polls . 
    - name: docker migrate
      run: |
        docker run --env-file env polls sh -c "python manage.py makemigrations && python manage.py migrate"
    - name: docker tag image
      run: |
        docker tag polls:latest sweforever92/sweforever92-community:latest
    - name: docker push
      run: |
        docker push sweforever92/sweforever92-community:latest
    - name: kubectl deploy
      run: |
        kubectl delete deploy polls-app
        cd yaml
        kubectl apply -f polls-deployment.yaml

I have tried opening TCP port from ssh, but still not working.

ufw allow 25060/tcp