build(deps): bump darling from 0.20.6 to 0.20.8 (#1447)

Bumps [darling](https://github.com/TedDriggs/darling) from 0.20.6 to 0.20.8.
- [Release notes](https://github.com/TedDriggs/darling/releases)
- [Changelog](https://github.com/TedDriggs/darling/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TedDriggs/darling/compare/v0.20.6...v0.20.8)

---
updated-dependencies:
- dependency-name: darling
  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>

Cargo.lock

@@ -1213,12 +1213,12 @@ dependencies = [
 
 [[package]]
 name = "darling"
-version = "0.20.6"
+version = "0.20.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c376d08ea6aa96aafe61237c7200d1241cb177b7d3a542d791f2d118e9cbb955"
+checksum = "54e36fcd13ed84ffdfda6f5be89b31287cbb80c439841fe69e04841435464391"
 dependencies = [
- "darling_core 0.20.6",
- "darling_macro 0.20.6",
+ "darling_core 0.20.8",
+ "darling_macro 0.20.8",
 ]
 
 [[package]]
@@ -1237,9 +1237,9 @@ dependencies = [
 
 [[package]]
 name = "darling_core"
-version = "0.20.6"
+version = "0.20.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33043dcd19068b8192064c704b3f83eb464f91f1ff527b44a4e2b08d9cdb8855"
+checksum = "9c2cf1c23a687a1feeb728783b993c4e1ad83d99f351801977dd809b48d0a70f"
 dependencies = [
  "fnv",
  "ident_case",
@@ -1262,11 +1262,11 @@ dependencies = [
 
 [[package]]
 name = "darling_macro"
-version = "0.20.6"
+version = "0.20.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5a91391accf613803c2a9bf9abccdbaa07c54b4244a5b64883f9c3c137c86be"
+checksum = "a668eda54683121533a393014d8692171709ff57a7d61f187b6e782719f8933f"
 dependencies = [
- "darling_core 0.20.6",
+ "darling_core 0.20.8",
  "quote",
  "syn 2.0.48",
 ]
@@ -4620,7 +4620,7 @@ dependencies = [
 name = "subxt-macro"
 version = "0.34.0"
 dependencies = [
- "darling 0.20.6",
+ "darling 0.20.8",
  "parity-scale-codec",
  "proc-macro-error",
  "quote",

Cargo.toml

@@ -61,7 +61,7 @@ criterion = "0.4"
 codec = { package = "parity-scale-codec", version = "3.6.9", default-features = false }
 color-eyre = "0.6.1"
 console_error_panic_hook = "0.1.7"
-darling = "0.20.5"
+darling = "0.20.8"
 derivative = "2.2.0"
 derive_more = "0.99.17"
 either = "1.10.0"