chore(deps): update convert_case requirement from 0.8 to 0.9

---
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/af-move-type-derive/Cargo.toml

@@ -32,7 +32,7 @@ workspace = true
 proc-macro2 = { version = "1.0", public = true }
 syn         = { version = "2.0", public = true, features = ["full"] }
 
-convert_case = "0.8"
+convert_case = "0.9"
 deluxe       = "0.5"
 quote        = "1.0"
 rustversion  = "1"