fix: usage of node12 which is deprecated in CI (#153)

Co-authored-by: David Hewitt <mail@davidhewitt.dev>

Author: hamirmahal

.github/workflows/ci.yml

@@ -587,7 +587,7 @@ jobs:
     environment: release
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: install rust stable
         uses: dtolnay/rust-toolchain@stable