Track migration to POSIX-style CLI arguments

[arturcic]

Summary

Track the migration impact of adopting POSIX-style CLI arguments in GitVersion v7.

Context

PR #4840 introduces POSIX-style \ arguments and short aliases, with legacy parser compatibility via .

Acceptance Criteria

• Migration documentation exists for v6 to v7 CLI argument changes.
• Legacy to POSIX argument mapping is documented.
• PR Adopt POSIX-style CLI arguments #4840 is linked and closes this issue.

[arturcic]

Linked PR: #4840 (#4840)