feat: Add Set Password API using Casdoor Java SDK

### Summary
This PR introduces the Set Password API integration using the Casdoor Java SDK. It allows users to set a new password for their account.

### Reason for Addition
The Set Password API is a critical feature for managing user credentials and is now available through the Casdoor Java SDK. This feature enhances security by enabling users to reset their passwords programmatically.

### Changes Made
- Integrated the Set Password API from the Casdoor Java SDK.
- Updated relevant service layers and controllers to include the set password functionality.
- Added error handling and validation for the Set Password API.

### Testing
- Verified the Set Password API functionality by testing various scenarios, including valid and invalid password changes.
- Ran existing tests to ensure no other functionality was impacted by the new addition.

### Impact
This update allows Spring Boot applications using the Casdoor Java SDK to set passwords for users securely, providing enhanced user management capabilities.

Author: MonishK2002

src/main/java/org/casbin/casdoor/service/UserService.java

@@ -20,11 +20,17 @@
 import org.casbin.casdoor.util.Map;
 import org.casbin.casdoor.util.UserOperations;
 import org.casbin.casdoor.util.http.CasdoorResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import java.util.HashMap;
 import java.io.IOException;
 import java.util.List;
 
 public class UserService extends Service {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(UserService.class);
+
     public UserService(Config config) {
         super(config);
     }
@@ -109,4 +115,44 @@ public java.util.Map<String, Object> getPaginationUsers(int p, int pageSize, jav
 
         return Map.of("casdoorUsers", resp.getData(), "data2", resp.getData2());
     }
+
+    /**
+     * Set the password for a user.
+     * @param owner the owner of the user
+     * @param name the name of the user
+     * @param oldPassword the old password of the user (can be empty if not required)
+     * @param newPassword the new password of the user
+     * @return true if the password was set successfully, false otherwise
+     * @throws IOException if there is an error during the operation
+     */
+    public boolean setPassword(String owner, String name, String oldPassword, String newPassword) throws IOException {
+        HashMap<Object, Object> param = new HashMap<>();
+        param.put("userOwner", owner);
+        param.put("userName", name);
+        param.put("newPassword", newPassword);
+
+        if (oldPassword != null && !oldPassword.isEmpty()) {
+            param.put("oldPassword", oldPassword);
+        }
+
+        String payload = objectMapper.writeValueAsString(param);
+        CasdoorResponse<String, Object> resp;
+
+        try {
+            resp = doPost("set-password", null, payload, new TypeReference<CasdoorResponse<String, Object>>() {});
+        } catch (IOException e) {
+            LOGGER.error("Error setting password for user {}: {}", name, e.getMessage());
+            throw new IOException("Failed to set password: " + e.getMessage(), e);
+        }
+
+        boolean isSuccess = "ok".equals(resp.getStatus());
+        if (isSuccess) {
+            LOGGER.info("Password successfully set for user {}", name);
+        } else {
+            LOGGER.warn("Failed to set password for user {}: {}", name, resp.getMsg());
+        }
+
+        return isSuccess;
+    }
+
 }