build(deps): bump once_cell from 1.21.1 to 1.21.3 (#3606)

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.21.1 to 1.21.3.
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](https://github.com/matklad/once_cell/compare/v1.21.1...v1.21.3)

---
updated-dependencies:
- dependency-name: once_cell
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

actix-http/Cargo.toml

@@ -155,7 +155,7 @@ divan = "0.1.8"
 env_logger = "0.11"
 futures-util = { version = "0.3.17", default-features = false, features = ["alloc"] }
 memchr = "2.4"
-once_cell = "1.9"
+once_cell = "1.21"
 rcgen = "0.13"
 regex = "1.3"
 rustversion = "1"