CI/CD: Add shfmt stage

[kopperp]

Add a shfmt stage to format shell scripts

[github-actions]

☂️ Code Coverage

current status: ✅

Overall Coverage

Statements	Covered	Coverage	Threshold	Status
3238	2935	91%	85%	🟢

New Files

No new covered files...

Modified Files

File	Coverage	Status
pyhope/_main_.py	100%	🟢
pyhope/basis/basis_basis.py	75%	🟢
pyhope/basis/basis_connect.py	100%	🟢
pyhope/basis/basis_jacobian.py	88%	🟢
pyhope/basis/basis_orient.py	100%	🟢
pyhope/basis/basis_watertight.py	100%	🟢
pyhope/check/check.py	67%	🟢
pyhope/check/check_health.py	88%	🟢
pyhope/check/check_install.py	100%	🟢
pyhope/check/check_unittest.py	92%	🟢
pyhope/common/common.py	77%	🟢
pyhope/common/common_numba.py	77%	🟢
pyhope/common/common_progress.py	57%	🟢
pyhope/common/common_template.py	100%	🟢
pyhope/common/common_tools.py	77%	🟢
pyhope/common/common_unique.py	80%	🟢
pyhope/common/common_vars.py	100%	🟢
pyhope/config/config.py	100%	🟢
pyhope/gmsh/gmsh.py	100%	🟢
pyhope/io/formats/cgns.py	100%	🟢
pyhope/io/formats/meshio.py	94%	🟢
pyhope/io/formats/vtk.py	100%	🟢
pyhope/io/io.py	99%	🟢
pyhope/io/io_debug.py	98%	🟢
pyhope/io/io_gmsh.py	100%	🟢
pyhope/io/io_vars.py	92%	🟢
pyhope/io/io_xdmf.py	100%	🟢
pyhope/mesh/connect/connect.py	98%	🟢
pyhope/mesh/connect/connect_mortar.py	87%	🟢
pyhope/mesh/connect/connect_rbtree.py	100%	🟢
pyhope/mesh/elements/elements_ordering.py	100%	🟢
pyhope/mesh/elements/elements_shapefunctions.py	100%	🟢
pyhope/mesh/extrude/mesh_extrude.py	99%	🟢
pyhope/mesh/extrude/templates/linear.py	100%	🟢
pyhope/mesh/fem/fem.py	99%	🟢
pyhope/mesh/mesh.py	100%	🟢
pyhope/mesh/mesh_builtin.py	100%	🟢
pyhope/mesh/mesh_common.py	100%	🟢
pyhope/mesh/mesh_duplicates.py	100%	🟢
pyhope/mesh/mesh_external.py	100%	🟢
pyhope/mesh/mesh_mortar.py	100%	🟢
pyhope/mesh/mesh_sides.py	100%	🟢
pyhope/mesh/mesh_sort.py	93%	🟢
pyhope/mesh/mesh_vars.py	100%	🟢
pyhope/mesh/reader/reader_gambit.py	100%	🟢
pyhope/mesh/reader/reader_gmsh.py	100%	🟢
pyhope/mesh/reader/reader_hopr.py	98%	🟢
pyhope/mesh/sort/sort_hilbert.py	99%	🟢
pyhope/mesh/topology/mesh_serendipity.py	98%	🟢
pyhope/mesh/topology/mesh_splittohex.py	84%	🟢
pyhope/mesh/topology/mesh_topology.py	74%	🟢
pyhope/mesh/transform/mesh_transform.py	79%	🟢
pyhope/mesh/transform/templates/cylinder.py	100%	🟢
pyhope/meshio/meshio_convert.py	67%	🟢
pyhope/meshio/meshio_nodes.py	100%	🟢
pyhope/meshio/meshio_ordering.py	100%	🟢
pyhope/output/output.py	91%	🟢
pyhope/readintools/commandline.py	94%	🟢
pyhope/readintools/readintools.py	100%	🟢
pyhope/script/pyhope_cli.py	98%	🟢
TOTAL	94%	🟢

updated for commit: e8d8542 by action🐍