Fix minimal plugins in ci (bevyengine#12370)

# Objective

- bevyengine#11341 broke running code using `MinimalPlugins` in CI

## Solution

- include `DevToolsPlugin` in `MinimalPlugins`

crates/bevy_internal/src/default_plugins.rs

@@ -192,6 +192,7 @@ impl Plugin for IgnoreAmbiguitiesPlugin {
 /// * [`FrameCountPlugin`](crate::core::FrameCountPlugin)
 /// * [`TimePlugin`](crate::time::TimePlugin)
 /// * [`ScheduleRunnerPlugin`](crate::app::ScheduleRunnerPlugin)
+/// * [`DevToolsPlugin`](crate::dev_tools::DevToolsPlugin) - with feature `bevy_dev_tools`
 ///
 /// This group of plugins is intended for use for minimal, *headless* programs –
 /// see the [*Bevy* *headless* example](https://github.com/bevyengine/bevy/blob/main/examples/app/headless.rs)
@@ -205,11 +206,17 @@ pub struct MinimalPlugins;
 
 impl PluginGroup for MinimalPlugins {
     fn build(self) -> PluginGroupBuilder {
-        PluginGroupBuilder::start::<Self>()
+        let mut group = PluginGroupBuilder::start::<Self>();
+        group = group
             .add(bevy_core::TaskPoolPlugin::default())
             .add(bevy_core::TypeRegistrationPlugin)
             .add(bevy_core::FrameCountPlugin)
             .add(bevy_time::TimePlugin)
-            .add(bevy_app::ScheduleRunnerPlugin::default())
+            .add(bevy_app::ScheduleRunnerPlugin::default());
+        #[cfg(feature = "bevy_dev_tools")]
+        {
+            group = group.add(bevy_dev_tools::DevToolsPlugin);
+        }
+        group
     }
 }