fix: make codeprism-mcp use workspace version

- Change hardcoded version to version.workspace = true
- Change hardcoded edition to edition.workspace = true
- Now all crates consistently use workspace version 0.2.2

Author: milliondreams

crates/codeprism-mcp/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "codeprism-mcp"
-version = "0.2.1"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
 authors.workspace = true
 license.workspace = true
 repository.workspace = true