Bump pixi version to v0.26.1 (#30) #42

Job	Run time
Check if version changed	7s
build (debian:bookworm-slim)	3m 25s
build (debian:bookworm)	3m 39s
build (debian:bullseye-slim)	3m 20s
build (debian:bullseye)	3m 29s
build (ubuntu:noble)	3m 26s
build (ubuntu:mantic)	3m 6s
build (ubuntu:jammy)	3m 25s
build (ubuntu:focal)	3m 32s
build (nvidia/cuda:12.3.1-base-ubuntu22.04)	3m 40s
build (nvidia/cuda:12.3.1-base-ubuntu20.04)	3m 9s
build (nvidia/cuda:12.2.2-base-ubuntu22.04)	3m 40s
build (nvidia/cuda:12.2.2-base-ubuntu20.04)	3m 32s
build (nvidia/cuda:12.1.1-base-ubuntu22.04)	3m 38s
build (nvidia/cuda:12.1.1-base-ubuntu20.04)	3m 59s
build (nvidia/cuda:11.8.0-base-ubuntu22.04)	3m 35s
build (nvidia/cuda:11.8.0-base-ubuntu20.04)	3m 21s
build (nvidia/cuda:11.7.1-base-ubuntu22.04)	3m 38s
build (nvidia/cuda:11.7.1-base-ubuntu20.04)	3m 38s
build (nvidia/cuda:11.6.2-base-ubuntu20.04)	3m 25s
build (nvidia/cuda:11.4.3-base-ubuntu20.04)	3m 30s
build (nvidia/cuda:11.3.1-base-ubuntu20.04)	3m 48s
build (nvidia/cuda:11.2.2-base-ubuntu20.04)	3m 32s
release	4s
	1h 17m 38s

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