chore(deps): update convert_case requirement from 0.8.0 to 0.9.0

---
updated-dependencies:
- dependency-name: convert_case
  dependency-version: 0.9.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

crates/macros/Cargo.toml

@@ -20,7 +20,7 @@ syn = { version = "2.0.100", features = ["full", "extra-traits", "printing"] }
 darling = "0.21"
 quote = "1.0.9"
 proc-macro2 = "1.0.26"
-convert_case = "0.8.0"
+convert_case = "0.9.0"
 itertools = "0.14.0"
 
 [lints.rust]