remove dependency on unmaintained 'paste'

[danieleades]

Describe the bug
paste is no longer maintained, and dependency on it should be removed

To Reproduce
cargo deny check advisories

Logs

cargo deny check advisories
error[unmaintained]: paste - no longer maintained
    ┌─ /home/danieleades/code/req/Cargo.lock:100:1
    │
100 │ paste 1.0.15 registry+https://github.com/rust-lang/crates.io-index
    │ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ unmaintained advisory detected
    │
    ├ ID: RUSTSEC-2024-0436
    ├ Advisory: https://rustsec.org/advisories/RUSTSEC-2024-0436
    ├ The creator of the crate `paste` has stated in the [`README.md`](https://github.com/dtolnay/paste/blob/master/README.md) 
      that this project is not longer maintained as well as archived the repository
      
      ## Possible Alternative(s)
      
      - [pastey](https://crates.io/crates/pastey), a fork of paste and is aimed to be a drop-in replacement with additional features for paste crate
    ├ Announcement: https://github.com/dtolnay/paste
    ├ Solution: No safe upgrade is available!
    ├ paste v1.0.15
      └── rmcp v0.8.5
          └── req-mcp v0.1.1

advisories FAILED

[tanish111]

@danieleades @alexhancock @jokemanfire can pastey be a good replacement?

[danieleades]

that's the suggested change from the advisory

@danieleades @alexhancock @jokemanfire can pastey be a good replacement?

[tanish111]

@danieleades I have opened an PR with this changes you can review it

[tanish111]

@danieleades its fixed and merged. Thanks for pointing out