fix typo

Author: jtpio

docs/environment.yml

@@ -8,4 +8,4 @@ dependencies:
 - jupyterlab>=4.5.0,<5
 - nodejs=22
 - jupyterlite-core>=0.7.0,<0.8
-- jupyterlite-pyodide-kernels>=0.7.0,<0.8
+- jupyterlite-pyodide-kernel>=0.7.0,<0.8