Fix JavaDocs workflow

It looks like something changed where JavaDocs is now storing the
results in the target/reports directory rather than the target/site
directory.

This updates the docs workflow to point to the correct directory.

Author: goneall

.github/workflows/docs.yml

@@ -29,4 +29,4 @@ jobs:
       uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e  # v4.0.0
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./target/site/apidocs
+        publish_dir: ./target/reports/apidocs