Update main.yml

Author: lorisleiva

.github/workflows/main.yml

@@ -7,10 +7,10 @@ on:
     branches: [main]
 
 env:
-  ANCHOR_VERSION: 0.30.0
+  ANCHOR_VERSION: 0.30.1
   NODE_VERSION : 20
   SOLANA_VERSION: 1.18.18
-  TOOLCHAIN: 1.85.0
+  TOOLCHAIN: 1.81.0
 
 jobs:
   lint:
@@ -39,7 +39,7 @@ jobs:
         project: ["counter-anchor", "counter-shank"]
         solana: ["1.17.34", "1.18.18"]
         include:
-          - anchor: "0.30.0"
+          - anchor: "0.30.1"
             project: "counter-anchor"
             solana: "1.18.18"
           - anchor: "0.29.0"