chore: 🔧 ignore C sources in coverage

Author: maxbarsukov

.github/workflows/elixir.yml

@@ -10,6 +10,7 @@ on:
       - "**/*.exs"
       - "**/*.eex"
       - "mix.lock"
+      - "coveralls.json"
   pull_request:
     branches:
       - master
@@ -19,6 +20,7 @@ on:
       - "**/*.exs"
       - "**/*.eex"
       - "mix.lock"
+      - "coveralls.json"
 
 jobs:
   lint:

coveralls.json

@@ -1,5 +1,7 @@
 {
   "skip_files": [
-    "spec/support"
+    "spec/support",
+    "lib/largest_prime_factor/imperative.c",
+    "lib/number_spiral_diagonals/imperative.c"
   ]
 }