[Geometry] Bugfixes and add unit tests (#5987)

[FEM.Elastic] Fix includes (#6070)

[FEM.Elastic] FEMForcefield: getExecutionPolicy did not use the provided data (#6066)

[all] In RequiredPlugin, use pluginName instead of name (#6039)

[SceneChecking] Update message for missing RequiredPlugin (#6059)

[CI] Update pixi lockfile (#6063)

[Framework] Fix warnings from modern gcc/clang (#6060)

[Mapping.Linear] Add applyJT for matrices for IdentityMultiMapping (#6033)

[CI] Fix conda ci curl call (#6056)

[Type] FullySymmetric4Tensor: fix compilation error on macos/xcode 26 (#6058)

[IO] Update MeshVTKLoader so that it can read polydata description of meshes (#5821)

[Simulation.Core] Add warning if RequiredPlugin uses its name to load a plugin (#6038)

[SofaCUDA] init: print info about driver and runtime version (#6048)

[Framework] Remove warnings by adding compilation time checks (#6046)

[Sofa.Config] Remove already define macro warning (#6045)