Fix badge for CI

Author: SeanDuHare

README.md

@@ -1,6 +1,6 @@
 # AICSImageIO
 
-[![Build Status](https://github.com/AllenCellModeling/aicsimageio/workflows/Build%20Main/badge.svg)](https://github.com/AllenCellModeling/aicsimageio/actions)
+[![Build Status](https://github.com/AllenCellModeling/aicsimageio/actions/workflows/build-main.yml/badge.svg)](https://github.com/AllenCellModeling/aicsimageio/actions)
 [![Documentation](https://github.com/AllenCellModeling/aicsimageio/workflows/Documentation/badge.svg)](https://AllenCellModeling.github.io/aicsimageio/)
 [![Code Coverage](https://codecov.io/gh/AllenCellModeling/aicsimageio/branch/main/graph/badge.svg)](https://app.codecov.io/gh/AllenCellModeling/aicsimageio/branch/main)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.4906608.svg)](https://doi.org/10.5281/zenodo.4906608)