chore(.github/workflows): filter to skip ci on changelog entries

Author: trouze

.github/workflows/ci.yml

@@ -3,8 +3,14 @@ name: CI
 on:
   push:
     branches: [main]
+    paths-ignore:
+      - ".changes/**"
+      - "CHANGELOG.md"
   pull_request:
     branches: [main]
+    paths-ignore:
+      - ".changes/**"
+      - "CHANGELOG.md"
 
 env:
   CARGO_TERM_COLOR: always