refactor: move default version to defaultConfig object

[ddubrava]

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [ ] Feature
• [x] Refactoring
• [ ] Build or CI related changes
• [ ] Documentation content changes

What is the current behavior?

We have default options in different places: default value when destructuring and defaultConfig object

What is the new behavior?

All default options are in a defaultConfig object

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Files	Coverage Δ
...ib/services/ya-api-loader/ya-api-loader.service.ts	100.00% <100.00%> (ø)

... and 13 files with indirect coverage changes

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