upgrade cargo dependencies

src/function_manager.rs

@@ -1,6 +1,4 @@
-use crate::{
-    consts::COLORS, function_entry::FunctionEntry, misc::random_u64, widgets::widgets_ontop,
-};
+use crate::{consts::COLORS, function_entry::FunctionEntry, widgets::widgets_ontop};
 use egui::{Button, Id, Key, Modifiers, PopupCloseBehavior, TextEdit, WidgetText};
 use emath::vec2;
 use parsing::Movement;
@@ -256,7 +254,7 @@ impl FunctionManager {
     /// Create and push new empty function entry
     pub fn push_empty(&mut self) {
         self.functions.push((
-            Id::new(random_u64().expect("unable to generate random id")),
+            Id::new(format!("function #{}", self.functions.len() + 1)),
             FunctionEntry::default(),
         ));
     }