Update pixi lockfile

[mantid-builder]

Explicit dependencies

Dependency	Before	After	Change	Environments
ccache	4.12.2	4.12.3	Patch Upgrade	{default, docs-build} on all platforms
mantidqt	6.14.20260205.1526	6.14.20260206.0836	Patch Upgrade	docs-build on linux-64
hdf5	nompi_h89f0904_105	nompi_hae35d4c_106	Only build string	{default, docs-build} on win-64
hdf5	nompi_h1b119a7_105	nompi_h19486de_106	Only build string	{default, docs-build} on linux-64

Implicit dependencies

Dependency	Before	After	Change	Environments
setuptools	80.10.2	81.0.0	Major Upgrade	package-standalone on all platforms publish-anaconda on linux-64
ipykernel	7.1.0	7.2.0	Minor Upgrade	{default, docs-build} on all platforms
mantid	6.14.20260205.1526	6.14.20260206.0836	Patch Upgrade	docs-build on linux-64
p11-kit	0.26.1	0.26.2	Patch Upgrade	{default, docs-build} on linux-64