Bump alabaster from 0.7.12 to 0.7.16#403

dependabot[bot] wants to merge 1 commit intomasterpython-trio/sphinxcontrib-trio:masterfrom

dependabot/pip/alabaster-0.7.16python-trio/sphinxcontrib-trio:dependabot/pip/alabaster-0.7.16Copy head branch name to clipboard