Update NekRS version

[aprilnovak]

• [x] Test all tutorials
• [x] Update documentation for new syntax changes
• [x] Update VTB
• [x] Update all input files/tests using the standalone Nek case files to the new versions, if needed
• [x] Check that rendering of any empty .oudf in the documentation looks okay/delete it
• [x] Re-build on all HPC systems to check compatibility, and update the build scripts
• [x] Cherry-pick the two open PRs related to conjugate heat transfer to be sure they are now fixed
• [x] Link to the release notes in Cardinal docs
• [x] Delete empty UDF functions (but not UDF_Setup)
• [x] Update unit test makefile to hit new source files
• [x] Stress formulation is deprecated

[anshchaube]

• [x] Replace if (nekrs::hasElasticitySolver()) with if (nekrs::hasMovingMesh() && !(nekrs::hasUserMeshSolver()))