Fix gha javadoc cp path

Author: benwoo1110

.github/workflows/generic.github_release.yml

@@ -103,7 +103,7 @@ jobs:
           mkdir -p build/docs/javadoc-deploy/latest
           mkdir -p build/docs/javadoc-deploy/${{ steps.release.outputs.tag_name }}
           cp -r build/docs/javadoc/* build/docs/javadoc-deploy/latest
-          cp -r build/docs/javadoc/* build/docs/javadoc-deploy${{ steps.release.outputs.tag_name }}
+          cp -r build/docs/javadoc/* build/docs/javadoc-deploy/${{ steps.release.outputs.tag_name }}
 
       - name: Deploy javadoc to gh pages
         if: steps.javadoc.outcome == 'success'