chore: Add version to internal crate dependencies for crates.io

Required for publishing workspace crates to crates.io - each internal
dependency needs both path (for local development) and version (for
crates.io resolution).

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: alanbld

Cargo.toml

@@ -23,11 +23,11 @@ keywords = ["scheduling", "project-management", "gantt", "cpm", "taskjuggler"]
 categories = ["command-line-utilities", "development-tools"]
 
 [workspace.dependencies]
-# Internal crates
-utf8proj-core = { path = "crates/utf8proj-core" }
-utf8proj-parser = { path = "crates/utf8proj-parser" }
-utf8proj-solver = { path = "crates/utf8proj-solver" }
-utf8proj-render = { path = "crates/utf8proj-render" }
+# Internal crates (version required for crates.io publishing)
+utf8proj-core = { version = "0.9.1", path = "crates/utf8proj-core" }
+utf8proj-parser = { version = "0.9.1", path = "crates/utf8proj-parser" }
+utf8proj-solver = { version = "0.9.1", path = "crates/utf8proj-solver" }
+utf8proj-render = { version = "0.9.1", path = "crates/utf8proj-render" }
 
 # Date/Time
 chrono = { version = "0.4", features = ["serde"] }