spring-security-samples/servlet/spring-boot/java/authentication/username-password/mfa build failure

[imtiazShakil]

cd ./spring-security-samples/servlet/spring-boot/java/authentication/username-password/mfa
./gradlew 

And here is the output:

FAILURE: Build failed with an exception.

* Where:
Build file '/home/imtiaz/workspace/spring-security-samples/servlet/spring-boot/java/authentication/username-password/mfa/build.gradle' line: 2

* What went wrong:
Could not compile build file '/home/imtiaz/workspace/spring-security-samples/servlet/spring-boot/java/authentication/username-password/mfa/build.gradle'.
> startup failed:
  build file '/home/imtiaz/workspace/spring-security-samples/servlet/spring-boot/java/authentication/username-password/mfa/build.gradle': 2: only alias(libs.plugins.someAlias) plugin identifiers where `libs` is a valid version catalog
  
  For more information on the plugins {} block, please refer to https://docs.gradle.org/8.3/userguide/plugins.html#sec:plugins_block in the Gradle documentation.
  
   @ line 2, column 2.
        alias(libs.plugins.io.spring.dependency.management)
      ^
  
  build file '/home/imtiaz/workspace/spring-security-samples/servlet/spring-boot/java/authentication/username-password/mfa/build.gradle': 3: only alias(libs.plugins.someAlias) plugin identifiers where `libs` is a valid version catalog
  
  For more information on the plugins {} block, please refer to https://docs.gradle.org/8.3/userguide/plugins.html#sec:plugins_block in the Gradle documentation.
  
   @ line 3, column 2.
        alias(libs.plugins.org.springframework.boot)
      ^
  
  2 errors


* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.

BUILD FAILED in 283ms

I'm not an expert in gradle. but I checked the url, it seems the alias keyword should not be used like it is used now.