[1693] Update /protocols/stats to use latest Mayan stats

[marianososto]

• /protocols/stats:
  • start consuming the data feed by the new endpoint of Mayan.
  • decopuple Allbridge stats since its different of Mayan.
  • adjust fix unit-tests.

curl example
https://api.staging.wormscan.io/api/v1/protocols/stats

[
	{
		"protocol": "mayan",
		"total_messages": 514825,
		"total_value_transferred": 1255829025,
		"last_day_messages": 2669,
		"last_day_diff_percentage": "0.52%",
		"last_24_hour_volume": 10188073
	},
	{
		"protocol": "portal_token_bridge",
		"total_messages": 4002282,
		"total_value_locked": 3304233713.708164,
		"total_value_transferred": 45153323282.38864,
		"last_day_messages": 1830,
		"last_day_diff_percentage": "0.05%",
		"last_24_hour_volume": 14482722.49806895
	},
	{
		"protocol": "allbridge",
		"total_messages": 89146,
		"total_value_transferred": 141834109.73528486,
		"last_day_messages": 176,
		"last_day_diff_percentage": "0.20%",
		"last_24_hour_volume": 447702.95702323684
	},
	{
		"protocol": "cctp",
		"total_messages": 139064,
		"total_value_transferred": 684343582.079408,
		"last_day_diff_percentage": "0.00%"
	},
	{
		"protocol": "native_token_transfer",
		"total_messages": 115590,
		"total_value_transferred": 264311053.16890272,
		"last_day_messages": 255,
		"last_day_diff_percentage": "0.22%",
		"last_24_hour_volume": 423835.66534546
	}
]