feat: add egui 0.34 support

[Lynnesbian]

This PR is very similar to #96. I tested it by modifying the todo example, but didn't commit those changes for the same reason @philpax didn't last time.

diff --git i/examples/todo/Cargo.toml w/examples/todo/Cargo.toml
index d760563..aa657d8 100644
--- i/examples/todo/Cargo.toml
+++ w/examples/todo/Cargo.toml
@@ -6,5 +6,5 @@ license = "MIT"
 publish = false
 
 [dependencies]
-eframe = "0.32"
-catppuccin-egui = { version = "5.6", default-features = false, features = ["egui32"] }
+eframe = "0.34"
+catppuccin-egui = { path = "../..", default-features = false, features = ["egui34"] }
diff --git i/examples/todo/src/main.rs w/examples/todo/src/main.rs
index 741dd7b..b2da31d 100644
--- i/examples/todo/src/main.rs
+++ w/examples/todo/src/main.rs
@@ -4,6 +4,7 @@
 
 use catppuccin_egui::{FRAPPE, LATTE, MACCHIATO, MOCHA};
 use eframe::egui;
+use eframe::egui::Ui;
 
 fn main() {
     let native_options = eframe::NativeOptions::default();
@@ -92,7 +93,7 @@ impl Default for App {
 }
 
 impl eframe::App for App {
-    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+    fn ui(&mut self, ctx: &mut Ui, _frame: &mut eframe::Frame) {
         catppuccin_egui::set_theme(
             ctx,
             match self.theme {

---

I've also updated lib.rs to avoid a deprecation warning on Context::style:

diff --git c/src/lib.rs w/src/lib.rs
index be38f38..3fc7816 100644
--- c/src/lib.rs
+++ w/src/lib.rs
@@ -69,7 +69,12 @@ pub use themes::*;
 
 /// Apply the given theme to a [`Context`](egui::Context).
 pub fn set_theme(ctx: &egui::Context, theme: Theme) {
+    #[cfg(feature = "egui34")]
+    let old = ctx.global_style().visuals.clone();
+
+    #[cfg(not(feature = "egui34"))]
     let old = ctx.style().visuals.clone();
+
     ctx.set_visuals(theme.visuals(old));
 }