feat: remove stylus testnet v2 and update @arbitrum/sdk #6778

Job	Run time
Check files	2s
Install	6s
Check if PR is hotfix	1s
Load e2e files	6s
Check Formatting	48s
Audit	21s
Build	3m 33s
Test E2E (Login and balance check, tests/e2e/specs/**/login.cy.{js,jsx,ts,tsx}, false)	11m 21s
Test E2E (Deposit ETH, tests/e2e/specs/**/depositETH.cy.{js,jsx,ts,tsx}, false)	12m 56s
Test E2E (Withdraw ETH, tests/e2e/specs/**/withdrawETH.cy.{js,jsx,ts,tsx}, false)	12m 31s
Test E2E (Deposit ERC20, tests/e2e/specs/**/depositERC20.cy.{js,jsx,ts,tsx}, false)	14m 47s
Test E2E (Withdraw ERC20, tests/e2e/specs/**/withdrawERC20.cy.{js,jsx,ts,tsx}, false)	11m 57s
Test E2E (TX history, tests/e2e/specs/**/txHistory.cy.{js,jsx,ts,tsx}, false)	12m 6s
Test E2E (Approve ERC20, tests/e2e/specs/**/approveToken.cy.{js,jsx,ts,tsx}, false)	12m 14s
Test E2E (Import test ERC20, tests/e2e/specs/**/importToken.cy.{js,jsx,ts,tsx}, false)	14m 28s
Test E2E (Read classic deposits, tests/e2e/specs/**/readClassicDeposits.cy.{js,jsx,ts,tsx}, false)	12m 40s
Test E2E (Redeem Retryable, tests/e2e/specs/**/redeemRetryable.cy.{js,jsx,ts,tsx}, false)	11m 39s
Test E2E (Switch network, tests/e2e/specs/**/switchNetworks.cy.{js,jsx,ts,tsx}, false)	12m 2s
Test UI	46s
Clean Up	6s
Test E2E Success	1s
	2h 24m 31s

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