chore(tox): Don't pin setup-uv version to 3.14t

also buffer generate-test-files.sh

Author: sl0thentr0py

.github/workflows/update-tox.yml

@@ -25,8 +25,6 @@ jobs:
 
       - name: Install uv
         uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
-        with:
-          python-version: 3.14t
 
       - name: Configure git
         run: |

scripts/generate-test-files.sh

@@ -7,6 +7,7 @@ set -xe
 cd "$(dirname "$0")"
 
 export UV_PROJECT_ENVIRONMENT=toxgen.venv
+export PYTHONUNBUFFERED=1
 
 uv run --python 3.14t --group toxgen --with-editable .. python populate_tox/populate_tox.py
 uv run --python 3.14t --group toxgen --with-editable .. python split_tox_gh_actions/split_tox_gh_actions.py