Implement `$ gto show rf@v1.2.3`

[aguschin]

close #318

[codecov-commenter]

Codecov Report

Base: 86.61% // Head: 86.44% // Decreases project coverage by -0.16% :warning:

Coverage data is based on head (59d9e10) compared to base (0600c0e). Patch coverage: 83.73% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #323 +/- ## ========================================== - Coverage 86.61% 86.44% -0.17% ========================================== Files 18 18 Lines 2069 2132 +63 ========================================== + Hits 1792 1843 +51 - Misses 277 289 +12 ``` | [Impacted Files](https://codecov.io/gh/iterative/gto/pull/323?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative) | Coverage Δ | | |---|---|---| | [gto/index.py](https://codecov.io/gh/iterative/gto/pull/323/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-Z3RvL2luZGV4LnB5) | `87.50% <62.06%> (-3.89%)` | :arrow_down: | | [gto/exceptions.py](https://codecov.io/gh/iterative/gto/pull/323/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-Z3RvL2V4Y2VwdGlvbnMucHk=) | `73.60% <80.00%> (+0.04%)` | :arrow_up: | | [gto/api.py](https://codecov.io/gh/iterative/gto/pull/323/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-Z3RvL2FwaS5weQ==) | `94.11% <84.00%> (+1.63%)` | :arrow_up: | | [gto/cli.py](https://codecov.io/gh/iterative/gto/pull/323/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-Z3RvL2NsaS5weQ==) | `82.56% <90.00%> (+2.04%)` | :arrow_up: | | [gto/config.py](https://codecov.io/gh/iterative/gto/pull/323/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-Z3RvL2NvbmZpZy5weQ==) | `95.50% <100.00%> (-0.29%)` | :arrow_down: | | [gto/constants.py](https://codecov.io/gh/iterative/gto/pull/323/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-Z3RvL2NvbnN0YW50cy5weQ==) | `100.00% <100.00%> (ø)` | | | [gto/tag.py](https://codecov.io/gh/iterative/gto/pull/323/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-Z3RvL3RhZy5weQ==) | `89.79% <0.00%> (-2.05%)` | :arrow_down: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative)

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