bump: iohkNix and adjust ci

Author: johnalotoski

configuration/cardano/mainnet-config-legacy.json

@@ -18,7 +18,7 @@
     "SnapshotInterval": 4320
   },
   "MaxKnownMajorProtocolVersion": 2,
-  "MinNodeVersion": "10.6.2",
+  "MinNodeVersion": "10.7.0",
   "Protocol": "Cardano",
   "RequiresNetworkMagic": "RequiresNoMagic",
   "ShelleyGenesisFile": "mainnet-shelley-genesis.json",

configuration/cardano/mainnet-config.json

@@ -18,7 +18,7 @@
     "SnapshotInterval": 4320
   },
   "MaxKnownMajorProtocolVersion": 2,
-  "MinNodeVersion": "10.6.2",
+  "MinNodeVersion": "10.7.0",
   "Protocol": "Cardano",
   "RequiresNetworkMagic": "RequiresNoMagic",
   "ShelleyGenesisFile": "mainnet-shelley-genesis.json",

configuration/cardano/mainnet-config.yaml

@@ -96,9 +96,9 @@ LedgerDB:
 
 ##### Version Information #####
 
-# Min is currently 10.6.2 for proper default handling of mempool timeout
-# parameters.
-MinNodeVersion: 10.6.2
+# Min is currently 10.7.0 due to change of config bundled peer-snapshot
+# version.
+MinNodeVersion: 10.7.0
 
 ##### Logging configuration #####