Bump Lotus versions to node=1.31.1, miner=1.31.0, go=1.22.7

Author: rjan90

data/version.json

@@ -1,5 +1,5 @@
 {
-  "lotus": "1.31.0",
+  "lotus": "1.31.1",
   "miner": "1.31.0",
   "go": "1.22.7"
 }