chore(deps): finish pip→uv swap in Makefile and CI (#41197)

.github/workflows/bashlib.sh

@@ -114,7 +114,7 @@ testdata() {
   say "::group::Load test data"
   # must specify PYTHONPATH to make `tests.superset_test_config` importable
   export PYTHONPATH="$GITHUB_WORKSPACE"
-  pip install -e .
+  uv pip install --system -e .
   superset db upgrade
   superset load_test_users
   superset load_examples --load-test-data
@@ -127,7 +127,7 @@ playwright_testdata() {
   say "::group::Load all examples for Playwright tests"
   # must specify PYTHONPATH to make `tests.superset_test_config` importable
   export PYTHONPATH="$GITHUB_WORKSPACE"
-  pip install -e .
+  uv pip install --system -e .
   superset db upgrade
   superset load_test_users
   superset load_examples

.github/workflows/superset-app-cli.yml

@@ -61,7 +61,7 @@ jobs:
       - name: superset init
         if: steps.check.outputs.python
         run: |
-          pip install -e .
+          uv pip install --system -e .
           superset db upgrade
           superset load_test_users
       - name: superset load_examples

.github/workflows/superset-python-presto-hive.yml

@@ -149,7 +149,7 @@ jobs:
           run: celery-worker
       - name: Python unit tests (PostgreSQL)
         run: |
-          pip install -e .[hive]
+          uv pip install --system -e .[hive]
           ./scripts/python_tests.sh -m 'chart_data_flow or sql_json_flow'
       - name: Upload code coverage
         uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v7.0.0