IOTA doc content issue : Validator Tokenomics (#6868)

# Description of change

This PR brings up updation in the package id and function in the
validator tokenomics

## Links to any relevant issues

fixes #6843

## Type of change

- Documentation Fix

## How the change has been tested

Changes were built locally.

## Change checklist

- [x] I have followed the contribution guidelines for this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have made corresponding changes to the documentation
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] I have checked that new and existing unit tests pass locally with
my changes

Author: vivekjain23

docs/content/operator/validator-node/validator-tokenomics.mdx

@@ -22,7 +22,7 @@ Stake withdrawals are processed immediately with the exchange rate prevailing at
 IOTA withdrawn at E' = ( IOTA deposited at E ) * ( Exchange Rate at E'-1 / Exchange Rate at E )
 ### Find the Exchange Rate
 
-Each epoch change emits a `0x2::validator_set::ValidatorEpochInfo` event per validator with the exchange rate information. You can use the Events API to query events.
+Each epoch change emits a `0x3::validator_set::ValidatorEpochInfoEventV1` event per validator with the exchange rate information. You can use the Events API to query events.
 
 ## Staking Rewards