chore: add v28 and v29 of jest to internal type

Author: SimenB

src/rules/utils/detectJestVersion.ts

@@ -15,6 +15,8 @@ export type JestVersion =
   | 25
   | 26
   | 27
+  | 28
+  | 29
   | number;
 
 let cachedJestVersion: JestVersion | null = null;