build(rust): bump the lib's MSRV to 1.76

lib/binding_rust/wasm_language.rs

@@ -45,7 +45,9 @@ impl WasmStore {
         unsafe {
             let mut error = MaybeUninit::<ffi::TSWasmError>::uninit();
             let store = ffi::ts_wasm_store_new(
-                (engine as *const wasmtime::Engine).cast_mut().cast(),
+                std::ptr::from_ref::<wasmtime::Engine>(engine)
+                    .cast_mut()
+                    .cast(),
                 error.as_mut_ptr(),
             );
             if store.is_null() {