update server build status badge

Author: neel1996

README.md

@@ -12,7 +12,7 @@
 
 ![open issues](https://img.shields.io/github/issues/neel1996/gitconvex?color=orange&style=for-the-badge)
 ![Gitconvex UI pipeline](https://img.shields.io/github/workflow/status/neel1996/gitconvex-ui/Gitconvex%20UI%20pipeline/master?label=gitconvex%20ui%20build&logo=github&style=for-the-badge)
-![Gitconvex Server pipeline](https://img.shields.io/github/workflow/status/neel1996/gitconvex-server/Gitconvex%20Server%20pipeline/master?label=gitconvex%20server%20build&logo=github&style=for-the-badge)
+![Gitconvex Server pipeline](https://img.shields.io/github/workflow/status/neel1996/gitconvex-server/Gitconvex%20Server%20Pipeline/main?label=gitconvex%20server%20build&logo=github&style=for-the-badge)
 
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