add mumbai

Author: cmmdotsh

crytic_compile/platform/etherscan.py

@@ -45,6 +45,7 @@
     "arbi:": (".arbiscan.io", "arbiscan.io"),
     "testnet.arbi:": ("-testnet.arbiscan.io", "testnet.arbiscan.io"),
     "poly:": (".polygonscan.com", "polygonscan.com"),
+    "mumbai:": (".mumbai.polygonscan.com", "mumbai.polygonscan.com"),
     "avax:": (".snowtrace.io", "snowtrace.io"),
     "testnet.avax:": ("-testnet.snowtrace.io", "testnet.snowtrace.io"),
     "ftm:": (".ftmscan.com", "ftmscan.com"),