Bump mysql to 8.0.29 to provide full development compatibility on arm64

[dotWee]

This commit updates the the mysql docker image tag to 8.0.29.

Updating mysql to 8.0.29 and its corresponding docker tag (mysql:8.0.29) improves the support for developing and running on arm64 architectures and Apple Silicon machines.

Related: #9

Explanation:

Currently, the used docker image for mysql (mysql:8.0.22) is published only for architecture linux/amd64 and has to be used with Apple's Rosetta compatibility layer enabled.

mysql:8.0.29 is the first stable version also targeting arm64.

References:

• Docker Hub entry for 8.0.22: https://hub.docker.com/layers/library/mysql/8.0.22/images/sha256-7d83f4d89c92d7e72b366cc9d0f5c19b12cba934c5e135d21d81b2b84651df69?context=explore
• Docker Hub entry for 8.0.29: https://hub.docker.com/layers/library/mysql/8.0.29/images/sha256-12cf01a51f803d0ad49ee0dbbb3025a6eef3341e24757c2ed8150b6654c3fb07?context=explore

Disclaimer:

A quick review of mysql's version changelog shows no compatibility issues. All unit tests finished without any issues.

Workaround:

Add the platform property to the docker service to trigger Rosetta 2 on Apple Silicon:

services:
  # Database
  db:
    image: mysql:8.0.22
    container_name: idp-mysql
    <<: [*service-network-ref, *service-setup-ref]
    environment:
      MYSQL_ROOT_USER: root
      MYSQL_ROOT_PASSWORD: idp
      MYSQL_DATABASE: IDP
      <<: *environment-timezone-ref
    ports:
      - "8572:3306"
    volumes:
      - idp-data-db:/var/lib/mysql
    healthcheck:
      test: "/usr/bin/mysql --user=root --password=idp --execute \"SHOW DATABASES;\""
      interval: 20s
      timeout: 20s
      retries: 10
    # in case of development on Apple Silicon to trigger Rosetta 2
    platform: linux/amd64