Bump darling from 0.20.10 to 0.20.11 (use-ink#2468)

Bumps [darling](https://github.com/TedDriggs/darling) from 0.20.10 to 0.20.11.
- [Release notes](https://github.com/TedDriggs/darling/releases)
- [Changelog](https://github.com/TedDriggs/darling/blob/master/CHANGELOG.md)
- [Commits](TedDriggs/darling@v0.20.10...v0.20.11)

---
updated-dependencies:
- dependency-name: darling
  dependency-version: 0.20.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -39,7 +39,7 @@ blake2 = { version = "0.10" }
 cargo_metadata = { version = "0.19.0" }
 cfg-if = { version = "1.0" }
 contract-build = { git = "https://github.com/use-ink/cargo-contract", branch = "master" }
-darling = { version = "0.20.10" }
+darling = { version = "0.20.11" }
 derive_more = { version = "2.0.1", default-features = false }
 either = { version = "1.13", default-features = false }
 funty = { version = "2.0.0" }