Add Dockerfile for s390x

[cdeepali]

Checklist before submitting

• Did you read the contributor guide?
• Did you update any affected documentation?
• Did you write any tests to validate this change?

Description

Add UBI8 dockerfile for s390x
Use conda-build v3.26.1 on s390x to fix the following error Ref - conda/conda-build@ef12b93):

 patchelf: wrong ELF type

  File "/opt/conda/lib/python3.10/site-packages/conda_build/os_utils/liefldd.py", line 404, in inspect_linkages_lief
    if binary.format == lief.EXE_FORMATS.ELF:
    
 [OPEN-CE-ERROR]-11 Unable to build recipe: tensorflow-base
'NoneType' object has no attribute 'format'

Review process to land

1. All tests and other checks must succeed.
2. At least one maintainer must review and approve.
3. If any maintainer requests changes, they must be addressed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.32%. Comparing base (39c804d) to head (f0e2d1a).

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #217   +/-   ##
=======================================
  Coverage   88.32%   88.32%           
=======================================
  Files          25       25           
  Lines        2184     2184           
=======================================
  Hits         1929     1929           
  Misses        255      255           

Flag	Coverage Δ
unittests	88.32% <ø> (ø)

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