Permutation Code Equivalence/Leon.py uses the wrong log to base 10

see [here](https://github.com/Crypto-TII/CryptographicEstimators/blob/e36e38913e770ae27cc628d45d598f1aa5264cdd/cryptographic_estimators/PEEstimator/PEAlgorithms/leon.py#L87C1-L87C55). To fix this we need to update the doc tests and allow a bigger variance in the kat tests