Add workflow and OpenSSF badges to README

Author: oleksandr-pavlyk

README.md

@@ -1,3 +1,7 @@
+[![Conda package](https://github.com/IntelPython/mkl_umath/actions/workflows/conda-package.yml/badge.svg)](https://github.com/IntelPython/mkl_umath/actions/workflows/conda-package.yml)
+
+[![Scorecard supply-chain security](https://github.com/IntelPython/mkl_umath/actions/workflows/openssf-scorecard.yml/badge.svg)](https://github.com/IntelPython/mkl_umath/actions/workflows/openssf-scorecard.yml)
+
 # `mkl_umath`
 
 `mkl_umath._ufuncs` exposes [Intel(R) Math Kernel Library](https://www.intel.com/content/www/us/en/developer/tools/oneapi/onemkl.html)