Update to SuiteSparse:GraphBLAS 5.1.5

This is the first release using automatic wheel build and upload on GitHub Actions.

5.1.5.0a0

tweak regex to match existing release pattern.

5.1.3.0

Update to SuiteSparse:GraphBLAS 5.1.3

5.1.2.0

Update to SuiteSparse:GraphBLAS 5.1.2

5.0.3.0

Update to SuiteSparse:GraphBLAS 5.0.3

4.0.3.0

First (usable) release! It is minimal and includes:

• cffi wrapper around Suitesparse:GraphBLAS
• Cython utils to allow for zero-copy to and from numpy
  • Option to use numpy memory managers (default) or default C memory managers
• initialize and is_initialized functions