Fix linter: use find for recursive .adoc discovery

Files moved to src/docs/reports/, glob src/docs/*.adoc no longer matches.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: rdmueller

.github/workflows/asciidoc-lint.yml

@@ -29,4 +29,4 @@ jobs:
       - name: Run AsciiDoc Linter
         run: |
           echo "Linting AsciiDoc files..."
-          asciidoc-linter src/docs/*.adoc --format console
+          find src/docs -name '*.adoc' | xargs asciidoc-linter --format console