[DAT-10294] added Snowflake as standalone module

[KushnirykOleh]

Environment

Liquibase Version: 4.10

Liquibase Integration & Version: -

Liquibase Extension(s) & Version: snowflake ext latest main

Database Vendor & Version: Snowflake

Operating System Type & Version: Windows 10

Pull Request Type

• Bug fix (non-breaking change which fixes an issue.)
• Enhancement/New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

In order to add PRO support for Snowflake need to move it from extension to liquibase-core. Otherwise it creates unwanted dependency between PRO and Snowflake extensions.

Steps To Reproduce

List the steps to reproduce the behavior.

• run test-harness tests in snowflake extension against cloud instance, use [harness.initScript.sql] (https://github.com/liquibase/liquibase-snowflake/blob/main/src/test/resources/harness.initScript.sql) to prepare DB

Actual Behavior

A clear and concise description of what happens in the software before this pull request.
community changetypes runs, but no way to add support for PRO changetypes

Expected/Desired Behavior

have Snowflake as one DBs supported by liquibase-core directly, be able to enhance support level for this DB with PRO changetypes

Fast Track PR Acceptance Checklist:

• Build is successful and all new and existing tests pass
• Added Unit Test(s)
• Added Integration Test(s)
• Added Test Harness Test(s)
• Documentation Updated

Another PR #2835

[github-actions]

Unit Test Results

  4 536 files  +  24    4 536 suites  +24   30m 8s ⏱️ - 2m 21s
  4 452 tests +  33    4 238 ✔️ +  37     214 💤  - 4  0 ❌ ±0 
52 704 runs  +396  47 696 ✔️ +400  5 008 💤  - 4  0 ❌ ±0 

Results for commit 22aa081. ± Comparison against base commit 4ab687b.

♻️ This comment has been updated with latest results.