Update ratatui dependency to version 0.26

[airstrike]

68 - Update ratatui dependency to version 0.26

Fixes #68

Description

Updated ratatui dependency

List here your changes

• Updated Cargo.toml to point to ratatui 0.26
• I made also removed the generic argument in src/adapter/crossterm/mod.rs since Frame now takes none:

error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
  --> src/adapter/crossterm/mod.rs:23:22
   |
23 | pub type Frame<'a> = TuiFrame<'a, CrosstermBackend<Stdout>>;
   |                      ^^^^^^^^     ------------------------ help: remove this generic argument
   |                      |
   |                      expected 0 generic arguments
   |
note: struct defined here, with 0 generic parameters
  --> /Users/andy/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ratatui-0.26.1/src/terminal/frame.rs:14:12
   |
14 | pub struct Frame<'a> {
   |            ^^^^^

Type of change

Please select relevant options.

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist

• [x] My code follows the contribution guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] I formatted the code with cargo fmt
• [x] I checked my code using cargo clippy and reports no warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] I have introduced no new C-bindings
• [ ] The changes I've made are Windows, MacOS, UNIX, Linux compatible (or I've handled them using cfg target_os)
• [ ] I increased or maintained the code coverage for the project, compared to the previous commit

[veeso]

thanks for your contribution