Merge pull request #903 from robertbaldyga/fix-build-badge

README: Fix build status badge

Author: robertbaldyga

README.md

@@ -1,6 +1,6 @@
 # Open CAS Framework
 
-[![Build Status](https://d1rxsi9lvcwnz5.cloudfront.net/master-status/build/curr-badge.svg)](https://d1rxsi9lvcwnz5.cloudfront.net/master-status/build/build.html)
+[![Build Status](https://github.com/Open-CAS/ocf/actions/workflows/build-master.yml/badge.svg)](https://github.com/Open-CAS/ocf/actions/workflows/build-master.yml)
 [![Tests Status](https://d1rxsi9lvcwnz5.cloudfront.net/master-status/tests/curr-badge.svg)](https://d1rxsi9lvcwnz5.cloudfront.net/master-status/tests/index.html)
 [![Coverity status](https://scan.coverity.com/projects/19083/badge.svg)](https://scan.coverity.com/projects/open-cas-ocf)
 [![codecov](https://codecov.io/gh/Open-CAS/ocf/branch/master/graph/badge.svg)](https://codecov.io/gh/Open-CAS/ocf)