fix: use sh under BSD systems (#1208)

Author: abishai

src/main/kotlin/ee/carlrobert/codegpt/agent/tools/BashTool.kt

@@ -565,7 +565,7 @@ class BashTool(
                     ?: "C:\\Windows"
                 listOf("$systemRoot\\System32\\cmd.exe", "/c", command)
             }
-
+            osName.contains("bsd") -> listOf("sh", "-c", command)
             else -> listOf("bash", "-c", command)
         }
     }