js-sdk: Update CAMP EVM network configs

[spacesailor24]

Description

• From EVM network constants:
  • Remove deprecated campNetwork
  • Update RPC and blockexplorer URL for campTestnet
  • Add campMainnet config

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

N/A

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[Copilot]

Pull request overview

This PR updates the CAMP network configurations in the EVM chain constants by removing a deprecated network entry and updating configurations for both testnet and mainnet. This is a breaking change as it removes the campNetwork key that existing consumers may be referencing.

Key Changes:

• Removed deprecated campNetwork configuration (chainId: 325000)
• Updated campTestnet with new chainId (123420001114), symbol (CAMP), and updated RPC/explorer URLs
• Added new campMainnet configuration (chainId: 484) with CAMP symbol and production endpoints

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
packages/constants/src/lib/constants/constants.ts	Removes deprecated campNetwork from keys array and chain configs; updates campTestnet chainId, symbol, and URLs; adds new campMainnet configuration
.changeset/bright-rings-dream.md	Documents the breaking change with major version bump for the constants package

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[Ansonhkg]

please run pnpm prettier and commit