Update whisper.cpp version to 1.7.1

[arizhih]

No description provided.

[jiabochao]

metal feature build error

   Compiling whisper-rs-sys v0.11.1 (https://github.com/arizhih/whisper-rs.git?branch=whisper-cpp-1-7-x#2b550ba9)
   Compiling whisper-rs v0.13.1 (https://github.com/arizhih/whisper-rs.git?branch=whisper-cpp-1-7-x#2b550ba9)
error[E0425]: cannot find function `ggml_backend_metal_log_set_callback` in crate `whisper_rs_sys`
    --> ~/.cargo/git/checkouts/whisper-rs-d212cb1821134a01/2b550ba/src/standalone.rs:88:29
     |
88   |               whisper_rs_sys::ggml_backend_metal_log_set_callback(log_callback, user_data);
     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `ggml_backend_metal_set_abort_callback`
     |
    ::: ~/test-whisper/src-tauri/target/debug/build/whisper-rs-sys-8daef9ef206c3098/out/bindings.rs:8488:5
     |
8488 | /     pub fn ggml_backend_metal_set_abort_callback(
8489 | |         backend: ggml_backend_t,
8490 | |         abort_callback: ggml_abort_callback,
8491 | |         user_data: *mut ::std::os::raw::c_void,
8492 | |     );
     | |_____- similarly named function `ggml_backend_metal_set_abort_callback` defined here

For more information about this error, try `rustc --explain E0425`.
error: could not compile `whisper-rs` (lib) due to 1 previous error

[tazz4843]

Looks like merging old PRs introduced conflicts and I don't have the time as it stands to do much more besides simple checks and merges unfortunately.