test(thorchain,maya): repin the add-liquidity signatures for the corrected memo length

The previous commit fixed the ABI memo length word from 59 to 58, which changes
the calldata and therefore the signature. New values, for both files:

  sig_v 37  (unchanged)
  sig_r 7adc5bda6e66b37a81962557c844509c4bfaa1e9217fc6d05968286d60b67dbf
  sig_s 613479150c4cfbcdc8243055aa5137afc89826c4176c420a60409f139171831b

Not copied out of a failure message. The r value was produced twice
independently -- by CI's emulator, and by signing the corrected calldata on a
physical KeepKey running signed v7.14.1 with the same public test seed. Two
signers, same result, which is what makes repinning safe rather than circular.
ECDSA here is RFC6979 deterministic, so agreement is the expected outcome and
disagreement would have meant the change was wrong.

The sibling eth_btc_swap fixtures are untouched: their memo genuinely is 59
bytes, their length word is right, and their signatures still hold.

Author: BitHighlander

tests/test_msg_mayachain_signtx.py

@@ -140,8 +140,8 @@ def test_sign_eth_add_liquidity(self):
 
         )
         self.assertEqual(sig_v, 37)
-        self.assertEqual(hexlify(sig_r), '638f9f42c099d0d47f7fc70d248249d2db24ecabc2fdee5bf2f5ad73b5bbfd30')
-        self.assertEqual(hexlify(sig_s), '3dae036aabbe0ec55f7b9e4eef54e2b5335f62544d8c2ed041797a9397f185c7')
+        self.assertEqual(hexlify(sig_r), '7adc5bda6e66b37a81962557c844509c4bfaa1e9217fc6d05968286d60b67dbf')
+        self.assertEqual(hexlify(sig_s), '613479150c4cfbcdc8243055aa5137afc89826c4176c420a60409f139171831b')
 
     @unittest.skip("TODO: capture expected signatures from emulator")
     def test_mayachain_remove_liquidity(self):

tests/test_msg_thorchain_signtx.py

@@ -141,8 +141,8 @@ def test_sign_eth_add_liquidity(self):
 
         )
         self.assertEqual(sig_v, 37)
-        self.assertEqual(hexlify(sig_r), '638f9f42c099d0d47f7fc70d248249d2db24ecabc2fdee5bf2f5ad73b5bbfd30')
-        self.assertEqual(hexlify(sig_s), '3dae036aabbe0ec55f7b9e4eef54e2b5335f62544d8c2ed041797a9397f185c7')
+        self.assertEqual(hexlify(sig_r), '7adc5bda6e66b37a81962557c844509c4bfaa1e9217fc6d05968286d60b67dbf')
+        self.assertEqual(hexlify(sig_s), '613479150c4cfbcdc8243055aa5137afc89826c4176c420a60409f139171831b')
 
     def test_thorchain_remove_liquidity(self):
         self.requires_fullFeature()