fix(lib-injection): fix lib-injection docker image size #54458

Job	Run time
test_unit (dd-lib-python-init-test-django)	6s
test_unit (dd-lib-python-init-test-django-gunicorn)	4s
build-and-publish-latest-snapshot-image	0s
test_unit (dd-lib-python-init-test-django-gunicorn-alpine)	4s
test_unit_no_instrumentation (dd-lib-python-init-test-django-unsupported-python)	6s
test_unit (dd-lib-python-init-test-django-uvicorn)	8s
test_unit_no_instrumentation (dd-lib-python-init-test-django-unsupported-package)	5s
test_unit (dd-lib-python-init-test-django-no-perms)	5s
test_unit (dd-lib-python-init-test-django-pre-installed)	11s
test_unit (dd-lib-python-init-test-django-unsupported-package-force)	5s
build-and-publish-test-image / wait_for_package	7s
build-and-publish-test-image / build_push / build_push	14s
test-runner-test	0s
	1m 15s

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