Fixed incorrect dimensionality in data variables in combine_vol_data #246

Job	Run time
Check file changes	16s
Test Intel on ubuntu-22.04	14m 53s
Test on ubuntu-latest	2m 0s
Test on Mac	7m 16s
Test on ubuntu-22.04	1m 52s
Test 3 - layered halfspace	3m 11s
Test 2 - fault tpv5	5m 9s
Test 0 - make tests	7m 5s
Test 1 - meshfem3D simple model	3m 35s
Test 4 - small adjoint	3m 19s
Test 5a - kernel homogeneous acoustic	3m 16s
Test 6a - kernel homogeneous halfspace	8m 49s
Test 5b - kernel homogeneous acoustic GPU HIP	9m 27s
Test 10 - socal1D 1d_cascadia	3m 3s
Test 11 - coupling FK	3m 16s
Test 12 - homogeneous halfspace	2m 35s
Test 13 - poroelastic	2m 58s
Test 14 - PML elastic	2m 29s
Test 16 - waterlayered halfspace	3m 38s
Test 15 - PML acoustic	2m 7s
Test 17 - tomographic model	2m 32s
Test 7 - socal1D	3m 14s
Test 6b - kernel homogeneous halfspace GPU HIP	23m 10s
Test 8 - socal1D 1d_socal	2m 58s
Test 9 - socal1D 1d_prem	3m 50s
Test 18 - cavity	2m 28s
Test 19 - sep bathymetry	2m 43s
Test 20 - socal1D HDF5 I/O	3m 10s
Test 21 - meshfem3D simple model w/ ADIOS2	6m 26s
	2h 20m 45s

Provide feedback