feat: Add upgradeable GHO Token #76

Job	Run time
verify (verifyUpgradeableGhoToken.conf)	5m 48s
verify (verifyGhoToken.conf)	6m 36s
verify (verifyGhoAToken.conf --rule noMint noBurn noTransfer transferUnderlyingToCantExceedCapaci...	4m 27s
verify (verifyGhoDiscountRateStrategy.conf --rule equivalenceOfWadMulCVLAndWadMulSol maxDiscountF...	1m 34s
verify (verifyFlashMinter.conf --rule balanceOfFlashMinterGrows integrityOfTreasurySet integrityO...	6m 29s
verify (verifyGhoVariableDebtToken.conf --rule user_index_after_mint user_index_ge_one_ray nonzer...	6m 51s
verify (verifyGhoVariableDebtToken.conf --rule accumulated_interest_increase_after_mint)	9m 44s
verify (verifyGhoVariableDebtToken.conf --rule userCantNullifyItsDebt)	12m 26s
verify (verifyGhoVariableDebtToken.conf --rule discountCantExceedDiscountRate)	2m 4s
verify (verifyGhoVariableDebtToken.conf --rule onlyMintForUserCanIncreaseUsersBalance)	5m 42s
verify (verifyGhoVariableDebtToken.conf --rule discountCantExceed100Percent)	7m 2s
verify (verifyGhoVariableDebtToken.conf --rule disallowedFunctionalities nonMintFunctionCantIncre...	9m 25s
verify (verifyGhoVariableDebtToken_summarized.conf --rule accrueAlwaysCalleldBeforeRefresh)	4m 49s
verify (verifyGhoVariableDebtTokenInternal.conf)	3m 27s
verify (verifyGhoVariableDebtToken-rayMulDiv-summarization.conf)	5m 28s
	1h 31m 52s

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