Upgrade deprecated actions/cache in workflow to v4

Upgraded actions/cache to v4 in accordance with notice of v1/v2 package closing down.

https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/#actions-cache-v1-v2-and-actions-toolkit-cache-package-closing-down

Keep using old root authentication method behaviour for new MariaDB versions

2.0.4

Keep using old root authentication method behaviour for new MariaDB v…

Update phpcs-tool to 9.1.0 with Hostnet-Level-1

• Updates phpcs-tool to 9.1.0 with Hostnet-Level-1

Support PHP8

• Supports PHP8

Fixes for gitlab database connection url

• Provide password
• Provide correct hostname

Dropped php 5.6 and php 7.0

• Dropped php 5.6
• Dropped php 7.0
• Added getConnectionUrl()

Gitlab support

add support for gitlab-ci with myql or mariadb docker image as service.

.gitlab-ci.yml:

    services:
        - mariadb:10.3

    variables:
        MYSQL_ROOT_PASSWORD: password
        MYSQL_HOST: mariadb # same as service name

php 5.6 support was accidentally dropped

php 5.6 support was accidentally dropped. This is now restored.

Better travis support

Better travis support. If there is already a mysql server to use, do not create our own.

Mariadb compatible

• Compatible with MariaDB
• Compatible with MySQL