GitLab

* Explicitly use python3 and pip3
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* Run pre-commit as Python module
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* Replace some missed references to "python" or "pip"
Signed-off-by: Tim Moon <tmoon@nvidia.com>

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Signed-off-by: Tim Moon <tmoon@nvidia.com>
Signed-off-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>