deps: Update pigeon to 26.0.2 from 26.0.1

This commit is the result of the following commands:
    flutter pub upgrade --major-version pigeon
    tools/check --all-files --fix pigeon

Changelog:

https://pub.dev/packages/pigeon/changelog#2602

Author: MritunjayTiwari14

android/app/src/main/kotlin/com/zulip/flutter/AndroidIntents.g.kt

@@ -1,4 +1,4 @@
-// Autogenerated from Pigeon (v26.0.1), do not edit directly.
+// Autogenerated from Pigeon (v26.0.2), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 @file:Suppress("UNCHECKED_CAST", "ArrayInDataClass")
 

android/app/src/main/kotlin/com/zulip/flutter/AndroidNotifications.g.kt

@@ -1,4 +1,4 @@
-// Autogenerated from Pigeon (v26.0.1), do not edit directly.
+// Autogenerated from Pigeon (v26.0.2), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 @file:Suppress("UNCHECKED_CAST", "ArrayInDataClass")
 

ios/Runner/Notifications.g.swift

@@ -1,4 +1,4 @@
-// Autogenerated from Pigeon (v26.0.1), do not edit directly.
+// Autogenerated from Pigeon (v26.0.2), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 import Foundation