chore(deps): update gitlab-registry.in2p3.fr/cta-lapp/phoenix_libs2/citoolkit/phoenixcontainer/pixi docker tag to v4

This MR contains the following updates:

Package	Update	Change
gitlab-registry.in2p3.fr/cta-lapp/phoenix_libs2/citoolkit/phoenixcontainer/pixi	major	3.1.3 -> 4.0.0

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