feat: Add Certora formal verification for GhoStewardV2 (#395) #60

Job	Run time
verify (verifyGhoToken.conf --rule length_leq_max_uint160 inv_balanceOf_leq_totalSupply total_sup...	5m 25s
verify (verifyGhoAToken.conf --rule noMint noBurn noTransfer transferUnderlyingToCantExceedCapaci...	5m 57s
verify (verifyGhoDiscountRateStrategy.conf --rule equivalenceOfWadMulCVLAndWadMulSol maxDiscountF...	4m 52s
verify (verifyFlashMinter.conf --rule balanceOfFlashMinterGrows integrityOfTreasurySet integrityO...	6m 18s
verify (verifyGhoVariableDebtToken.conf --rule user_index_after_mint user_index_ge_one_ray nonzer...	4m 23s
verify (verifyGhoVariableDebtToken.conf --rule accumulated_interest_increase_after_mint)	10m 8s
verify (verifyGhoVariableDebtToken.conf --rule userCantNullifyItsDebt)	10m 26s
verify (verifyGhoVariableDebtToken.conf --rule discountCantExceedDiscountRate)	5m 33s
verify (verifyGhoVariableDebtToken.conf --rule onlyMintForUserCanIncreaseUsersBalance)	5m 27s
verify (verifyGhoVariableDebtToken.conf --rule discountCantExceed100Percent)	5m 27s
verify (verifyGhoVariableDebtToken.conf --rule disallowedFunctionalities nonMintFunctionCantIncre...	8m 11s
verify (verifyGhoVariableDebtToken_summarized.conf --rule accrueAlwaysCalleldBeforeRefresh)	5m 32s
verify (verifyGhoVariableDebtTokenInternal.conf)	4m 28s
verify (verifyGhoVariableDebtToken-rayMulDiv-summarization.conf)	5m 16s
	1h 27m 23s

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