tasks: Add spawn option by tag (#25650)

Closes #19497
Fixed conflicts from https://github.com/zed-industries/zed/pull/19498
Added tags to tasks selector

Release Notes:

- Added ability to spawn tasks by tag with key bindings
- Added tags to tasks selector


https://github.com/user-attachments/assets/0eefea21-ec4e-407c-9d4f-2a0a4a0f74df

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Co-authored-by: Kirill Bulatov <mail4score@gmail.com>

crates/task/src/lib.rs

@@ -2,6 +2,7 @@
 #![deny(missing_docs)]
 
 mod debug_format;
+mod serde_helpers;
 pub mod static_source;
 mod task_template;
 mod vscode_format;