fix(semver): increment version for `preminor`, `prepatch` and `premajor`

[edbzn]

• test(semver): add e2e spec for --releaseAs=prerelease
• fix(semver): increment version for preminor, prepatch and premajor

[codecov[bot]]

Codecov Report

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

Comparison is base (0792766) 89.88% compared to head (7459d8b) 89.84%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #783 +/- ## ========================================== - Coverage 89.88% 89.84% -0.04% ========================================== Files 29 29 Lines 534 532 -2 Branches 92 90 -2 ========================================== - Hits 480 478 -2 Misses 41 41 Partials 13 13 ```

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