Update dependency com.facebook:ktfmt to v0.51

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.facebook:ktfmt	0.50 -> 0.51

---

Release Notes

facebook/ktfmt (com.facebook:ktfmt)

### [`v0.51`](https://togithub.com/facebook/ktfmt/blob/HEAD/CHANGELOG.md#051) ##### Added - Created CHANGELOG.md - Added --help option to CLI ([https://github.com/facebook/ktfmt/pull/477](https://togithub.com/facebook/ktfmt/pull/477)) ##### Changed - Preserves blank spaces between when clauses ([https://github.com/facebook/ktfmt/issues/342](https://togithub.com/facebook/ktfmt/issues/342)) - Named the default style as `Formatter.META_FORMAT` / `--meta-style` - `FormattingOptions` constructor parameters order was changed ##### Fixed - Compilation issues with online formatter (https://github.com/facebook/ktfmt/commit/8605080cb0aadb7eaba20f3b469d6ddafe32c941) - Removing valid semicolons ([https://github.com/facebook/ktfmt/issues/459](https://togithub.com/facebook/ktfmt/issues/459)) - Incorrect detection of unused `assign` import ([https://github.com/facebook/ktfmt/issues/411](https://togithub.com/facebook/ktfmt/issues/411)) ##### Removed - **Deleted `Formatter.DROPBOX_FORMAT` / `--dropbox-style` (BREAKING CHANGE)** - Deleted `FormattingOptions.Style` enum

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.