Fix CI: use clojure instead of clj (no rlwrap on Linux)

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

Author: leifericf

.github/workflows/gallery.yml

@@ -33,7 +33,7 @@ jobs:
           key: m2-${{ hashFiles('deps.edn') }}
 
       - name: Build site
-        run: clj -X:gallery
+        run: clojure -X:gallery
 
       - uses: actions/configure-pages@v5