move ensurepip to the global scope

tox.ini

@@ -28,6 +28,7 @@ description =
   py{39,310,311,312,313}: with {basepython}
 deps = -r .config/requirements-test.in
 commands_pre =
+  python3 -m ensurepip
   bash -c 'test "$(basename $(cd ../.. && pwd))" == ansible_collections || { echo "Repository must be cloned inside a directory structure like ansible_collections/ansible/eda in order allow ansible-test to run."; exit 3;}'
 commands =
   echo "Implicit tox environment should not be called directly (safety measure to avoid running wrong tests due to typos)"
@@ -142,7 +143,6 @@ description =
 commands =
   # fail-fast if psycopg in not properly installed.
   python3 -c "import psycopg"
-  python3 -m ensurepip
   sh -c "ansible-test units --color --requirements --target-python default -v --num-workers 1 --coverage --truncate 0 {posargs}"
   ansible-test coverage report --requirements --omit '.tox/*,tests/*' --color --all --show-missing -v --truncate 0
   ansible-test coverage combine --export={envdir}