Fix badge status

README.md

@@ -1,7 +1,7 @@
 # OpenTelemetry SQL database driver wrapper for Go
 
 [![GitHub Releases](https://img.shields.io/github/v/release/nhatthm/otelsql)](https://github.com/nhatthm/otelsql/releases/latest)
-[![Build Status](https://github.com/nhatthm/otelsql/actions/workflows/test-unit.yaml/badge.svg)](https://github.com/nhatthm/otelsql/actions/workflows/test-unit.yaml)
+[![Build Status](https://github.com/nhatthm/otelsql/actions/workflows/test-unit.yaml/badge.svg?branch=master)](https://github.com/nhatthm/otelsql/actions/workflows/test-unit.yaml)
 [![codecov](https://codecov.io/gh/nhatthm/otelsql/branch/master/graph/badge.svg?token=eTdAgDE2vR)](https://codecov.io/gh/nhatthm/otelsql)
 [![Go Report Card](https://goreportcard.com/badge/github.com/nhatthm/otelsql)](https://goreportcard.com/report/github.com/nhatthm/otelsql)
 [![GoDevDoc](https://img.shields.io/badge/dev-doc-00ADD8?logo=go)](https://pkg.go.dev/github.com/nhatthm/otelsql)
@@ -557,7 +557,7 @@ The traces are almost identical with some minor changes:
             <td colspan="6" align="center">
                 <a href="https://github.com/nhatthm/otelsql/actions/workflows/test-unit.yaml">
                     <img
-                        src="https://github.com/nhatthm/otelsql/actions/workflows/test-unit.yaml/badge.svg" alt="Build Status"
+                        src="https://github.com/nhatthm/otelsql/actions/workflows/test-unit.yaml/badge.svg?branch=master" alt="Build Status"
                         style="max-width: 100%;">
                 </a>
             </td>
@@ -580,7 +580,7 @@ The traces are almost identical with some minor changes:
             <td colspan="6" align="center">
                 <a href="https://github.com/nhatthm/otelsql/actions/workflows/test-compatibility-pgx.yaml">
                     <img
-                        src="https://github.com/nhatthm/otelsql/actions/workflows/test-compatibility-pgx.yaml/badge.svg" alt="Build Status"
+                        src="https://github.com/nhatthm/otelsql/actions/workflows/test-compatibility-pgx.yaml/badge.svg?branch=master" alt="Build Status"
                         style="max-width: 100%;">
                 </a>
             </td>
@@ -595,7 +595,7 @@ The traces are almost identical with some minor changes:
             <td colspan="6" align="center">
                 <a href="https://github.com/nhatthm/otelsql/actions/workflows/test-compatibility-libpq.yaml">
                     <img
-                        src="https://github.com/nhatthm/otelsql/actions/workflows/test-compatibility-libpq.yaml/badge.svg" alt="Build Status"
+                        src="https://github.com/nhatthm/otelsql/actions/workflows/test-compatibility-libpq.yaml/badge.svg?branch=master" alt="Build Status"
                         style="max-width: 100%;">
                 </a>
             </td>