Update an outdated comment

Author: user202729

.gitignore

@@ -469,6 +469,6 @@ src/sage/calculus/transforms/__init__.py
 src/sage/calculus/__init__.py
 
 # Temporary files generated by Meson CI (needed to make test pass because
-# ci-meson.yml runs a `make test-git-no-uncommitted-changes` step)
+# ci-meson.yml runs a `./tools/test-git-no-uncommitted-changes` step)
 /.ccache
 /setup-miniconda-patched-environment-*.yml