Bump convert_case to v0.11.0 (#58000)

Bumps the workspace `convert_case` dependency from 0.8 to 0.11 (already
in the tree) so the `zed` binary includes only one copy.

Self-Review Checklist:

- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content is consistent with the [UI/UX
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
- [ ] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Release Notes:

- N/A

Cargo.lock

@@ -406,7 +406,7 @@ dependencies = [
  "agent-client-protocol",
  "anyhow",
  "collections",
- "convert_case 0.8.0",
+ "convert_case 0.11.0",
  "fs",
  "futures 0.3.32",
  "gpui",
@@ -5783,7 +5783,7 @@ dependencies = [
  "client",
  "clock",
  "collections",
- "convert_case 0.8.0",
+ "convert_case 0.11.0",
  "criterion",
  "ctor",
  "dap",
@@ -10147,7 +10147,7 @@ dependencies = [
  "cloud_api_types",
  "collections",
  "component",
- "convert_case 0.8.0",
+ "convert_case 0.11.0",
  "copilot",
  "copilot_chat",
  "copilot_ui",
@@ -11365,7 +11365,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "collections",
- "convert_case 0.8.0",
+ "convert_case 0.11.0",
  "log",
  "pretty_assertions",
  "serde_json",
@@ -19488,7 +19488,7 @@ name = "toolchain_selector"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "convert_case 0.8.0",
+ "convert_case 0.11.0",
  "editor",
  "futures 0.3.32",
  "fuzzy",

Cargo.toml

@@ -559,7 +559,7 @@ clap = { version = "4.4", features = ["derive", "wrap_help"] }
 cocoa = "=0.26.0"
 cocoa-foundation = "=0.2.0"
 const_format = "0.2"
-convert_case = "0.8.0"
+convert_case = "0.11.0"
 core-foundation = "=0.10.0"
 core-foundation-sys = "0.8.6"
 core-video = { version = "0.5.2", features = ["metal"] }