Add Certora formal verification for GhoStewardV2 #54

Job	Run time
verify (non-4626/Alex-gho-gsm_inverse.conf)	11m 16s
verify (non-4626/Alex-gho-gsm.conf)	9m 23s
verify (non-4626/balances-buy.conf)	6m 26s
verify (non-4626/balances-sell.conf)	7m 47s
verify (non-4626/Dominik-gho-assetToGhoInvertibility.conf --rule basicProperty_getAssetAmountForB...	9m 14s
verify (non-4626/Dominik-gho-fixedPriceStrategy.conf)	5m 13s
verify (non-4626/fees-buy.conf)	9m 40s
verify (non-4626/fees-sell.conf)	10m 41s
verify (non-4626/otakar-FixedFeeStrategy.conf)	6m 5s
verify (non-4626/Martin-gho-gsm.conf)	19m 41s
verify (non-4626/antti-optimality.conf --rule R3_optimalityOfSellAsset_v1 R1_optimalityOfBuyAsset...	15m 33s
verify (non-4626/otakar-getAmount_properties.conf --rule getAssetAmountForBuyAsset_funcProperty_L...	7m 19s
verify (non-4626/otakar-finishedRules.conf --rule whoCanChangeExposure whoCanChangeAccruedFees se...	11m 42s
verify (non-4626/otakar-OracleSwapFreezer.conf)	4m 28s
	2h 14m 28s

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