Caching adjustments. Refactoring, use service layers with caching

[andrey18106]

Changes:

• remove last_response_time and related functions
• rename last_response_time->last_check_time usage (getExApps) in nc_py_api @bigcat88
• add docker container healthcheck before heartbeat exApp in deployment process @andrey18106
• add php lint, cs, psalm, security cheks ci @andrey18106
• review caches usage
• review exception handling and logging
• add ci for tests with redis
• php-cs fixes
• update apis response statuses for nc_py_api tests
• fix caching issues (if any)

[bigcat88]

we need to add php linters, they will automatically find such errors

[github-advanced-security]

This pull request sets up GitHub code scanning for this repository. Once the scans have completed and the checks have passed, the analysis results for this pull request branch will appear on this overview. Once you merge this pull request, the 'Security' tab will show more code scanning analysis results (for example, for the default branch). Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results. For more information about GitHub code scanning, check out the documentation.

[bigcat88]

I merge this, as this is already an abnormally big PR