ci: step name reflects that pylcm pin is on main, not a feature branch

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: hmgaudecker

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install pylcm (unreleased feature branch required)
+      - name: Install pylcm from main (PyPI release lags)
         run: >-
           pip install "pylcm @
           git+https://github.com/OpenSourceEconomics/pylcm.git@99a5e31"