Add OpenMage version to API 'magento.info'.

[kiatng]

Description (*)

This PR adds OM ver info to the API core_magento.info, alias magento.info.

An example of called result:

    ["result"] => object(stdClass)#121 (3) {
      ["magento_edition"] => string(9) "Community"
      ["magento_version"] => string(7) "1.9.4.5"
      ["openmage_version"] => string(6) "20.0.7"
    }

Related Pull Requests

Fixed Issues (if relevant)

Manual testing scenarios (*)

Questions or comments

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All automated tests passed successfully (all builds are green)

[github-actions]

Unit Test Results

1 files  ±0  1 suites  ±0   0s ⏱️ ±0s
0 tests ±0  0 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
6 runs  ±0  4 ✔️ ±0  2 💤 ±0  0 ❌ ±0 

Results for commit 9e72bc2. ± Comparison against base commit 94563c7.