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I noticed in the byte-offsets refactor that the `JsonEmitter` uses one indexed column numbers for the diagnostic start and end locations but not for `edits`.
This PR changes the `JsonEmitter` to emit one-indexed column numbers for edits, as we already do for `Message::location` and `Message::end_location`.
## Open questions
~We'll need to change the LSP to subtract 1 from the columns in `_parse_fix`~
6e44fadf8a/ruff_lsp/server.py (L129-L150)
~@charliermarsh is there a way to get the ruff version in that method? If not, then I recommend adding a `version` that we increment whenever we make incompatible changes to the serialized message. We can then use it in the LSP to correctly compute the column offset.~
I'll use the presence of the `Fix::applicability` field to detect if the Ruff version uses one or zero-based column indices.
See https://github.com/charliermarsh/ruff-lsp/pull/103