Fix ignoring docs changes in GitHub Actions CI builds

The path expression must match the full path, not just be its prefix.

Co-Authored-By: PB <PBfordev@gmail.com>

.github/workflows/ci.yml

@@ -6,18 +6,18 @@ on:
     branches:
       - master
     paths-ignore:
-      - 'distrib'
-      - 'docs'
-      - 'interface'
+      - 'distrib/**'
+      - 'docs/**'
+      - 'interface/**'
       - '*.md'
       - '*.yml'
   pull_request:
     branches:
       - master
     paths-ignore:
-      - 'distrib'
-      - 'docs'
-      - 'interface'
+      - 'distrib/**'
+      - 'docs/**'
+      - 'interface/**'
       - '*.md'
       - '*.yml'