[DSP-71] Printing of upgradeable parameter

Description

The main merit of this MR is that it defines printing logic for upgradeable contract's parameter. It's needed for DSP-71.

Please note that it depends on !35 (merged) which should be merged first.

Related issue(s)

https://issues.serokell.io/issue/DSP-71

✅ Checklist for your Merge Request

Related changes (conditional)

• Tests (see short guidelines)

  • If I added new functionality, I added tests covering it.
  • If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.

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    • README
    • Haddock
    • docs/

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