Arrumado conversão de dados que impedia a execução do servidor

src/main/java/com/agendaestudantil/config/EnvConfig.java

@@ -1,10 +1,10 @@
 package com.agendaestudantil.config;
 
 import io.github.cdimascio.dotenv.Dotenv;
+import io.github.cdimascio.dotenv.DotenvEntry;
 import org.springframework.context.annotation.Configuration;
 
 import jakarta.annotation.PostConstruct;
-import java.util.Map;
 
 @Configuration
 public class EnvConfig {
@@ -16,8 +16,7 @@ public class EnvConfig {
                 .load();
 
         if (dotenv != null) {
-            Map<String, String> envVars = (Map<String, String>) dotenv.entries();
-            for (Map.Entry<String, String> entry : envVars.entrySet()) {
+            for (io.github.cdimascio.dotenv.DotenvEntry entry : dotenv.entries()) {
                 System.setProperty(entry.getKey(), entry.getValue());
             }
         }