Bump convert_case from 0.6.0 to 0.8.0 in /rust (#5591)

* Bump convert_case from 0.6.0 to 0.8.0 in /rust

Bumps [convert_case](https://github.com/rutrum/convert-case) from 0.6.0 to 0.8.0.
- [Commits](https://github.com/rutrum/convert-case/commits)

---
updated-dependencies:
- dependency-name: convert_case
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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* A snapshot a day keeps the bugs away! 📷🐛 (OS: namespace-profile-ubuntu-8-cores)

* A snapshot a day keeps the bugs away! 📷🐛 (OS: namespace-profile-ubuntu-8-cores)

* A snapshot a day keeps the bugs away! 📷🐛 (OS: namespace-profile-ubuntu-8-cores)

---------

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rust/Cargo.lock

@@ -525,9 +525,9 @@ dependencies = [
 
 [[package]]
 name = "convert_case"
-version = "0.6.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
+checksum = "baaaa0ecca5b51987b9423ccdc971514dd8b0bb7b4060b983d3664dad3f1f89f"
 dependencies = [
  "unicode-segmentation",
 ]

rust/kcl-derive-docs/Cargo.toml

@@ -13,7 +13,7 @@ proc-macro = true
 
 [dependencies]
 Inflector = "0.11.4"
-convert_case = "0.6.0"
+convert_case = "0.8.0"
 once_cell = "1.20.2"
 proc-macro2 = "1"
 quote = "1"

rust/kcl-lib/Cargo.toml

@@ -20,7 +20,7 @@ clap = { version = "4.5.27", default-features = false, optional = true, features
     "std",
     "derive",
 ] }
-convert_case = "0.6.0"
+convert_case = "0.8.0"
 dashmap = "6.1.0"
 dhat = { version = "0.3", optional = true }
 fnv = "1.0.7"