Fix warnings in CI

Author: vkatsuba

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
         otp_vsn: ['25', '26']
         rebar3_vsn: ['3.22']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
         id: setup-beam
         with: