Fix commit in `flow version`

[jribbink]

Closes #1639

Description

Don't use git metadata, since it's tied to the commit which triggered the workflow. Since this is triggered by an action instead, it's presumable this is the cause of the issue.

Tag is updated as well just for consistency sake.

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For contributor use:

• [x] Targeted PR against master branch
• [x] Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• [x] Code follows the standards mentioned here
• [x] Updated relevant documentation
• [x] Re-reviewed Files changed in the Github PR explorer
• [x] Added appropriate labels

[codecov-commenter]

Codecov Report

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

Project coverage is 39.08%. Comparing base (432fbc7) to head (64c9597).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1640 +/- ## ======================================= Coverage 39.08% 39.08% ======================================= Files 52 52 Lines 3536 3536 ======================================= Hits 1382 1382 Misses 1979 1979 Partials 175 175 ``` | [Flag](https://app.codecov.io/gh/onflow/flow-cli/pull/1640/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=onflow) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/onflow/flow-cli/pull/1640/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=onflow) | `39.08% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=onflow#carryforward-flags-in-the-pull-request-comment) to find out more.

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