Update Rust crate sqlformat to v0.2.6 (#18676)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [sqlformat](https://redirect.github.com/shssoichiro/sqlformat-rs) |
dependencies | patch | `0.2.4` -> `0.2.6` |

---

### Release Notes

<details>
<summary>shssoichiro/sqlformat-rs (sqlformat)</summary>

###
[`v0.2.6`](https://redirect.github.com/shssoichiro/sqlformat-rs/blob/HEAD/CHANGELOG.md#Version-026)

[Compare
Source](https://redirect.github.com/shssoichiro/sqlformat-rs/compare/v0.2.5...v0.2.6)

- fix: ON UPDATE with two many blank formatted incorrectly
([#&#8203;46](https://redirect.github.com/shssoichiro/sqlformat-rs/issues/46))
-   fix: `EXCEPT` not handled well
- fix: REFERENCES xyz ON UPDATE .. causes formatter to treat the
remaining as an UPDATE statement
-   fix: Escaped strings formatted incorrectly
-   fix: RETURNING is not placed on a new line
- fix: fix the issue of misaligned comments after formatting
([#&#8203;40](https://redirect.github.com/shssoichiro/sqlformat-rs/issues/40))

###
[`v0.2.5`](https://redirect.github.com/shssoichiro/sqlformat-rs/compare/v0.2.4...v0.2.5)

[Compare
Source](https://redirect.github.com/shssoichiro/sqlformat-rs/compare/v0.2.4...v0.2.5)

</details>

---

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---

Release Notes:

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Cargo.lock

@@ -10726,9 +10726,9 @@ dependencies = [
 
 [[package]]
 name = "sqlformat"
-version = "0.2.4"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f895e3734318cc55f1fe66258926c9b910c124d47520339efecbb6c59cec7c1f"
+checksum = "7bba3a93db0cc4f7bdece8bb09e77e2e785c20bfebf79eb8340ed80708048790"
 dependencies = [
  "nom",
  "unicode_categories",