[✨feat] GraalVM 적용

[leeeyubin]

📄 Work Description

• GraalVM을 다시 적용합니다.

🗂 Related Issue

• closed [✨feat] GraalVM 적용 #141

[Copilot]

Pull Request Overview

This PR re-enables GraalVM native image building within the CI workflow.

• Uncommented and activated the GraalVM setup step for JDK 21 with native-image.
• Uncommented and activated the native image compile step with fail-safe behavior.

Comments suppressed due to low confidence (2)

.github/workflows/DEV-CI.yml:39

• The indentation under the 'with:' key appears inconsistent with common YAML practices for GitHub workflows. Please adjust to a consistent two-space indent (relative to the parent key) for clarity.

           distribution: 'graalvm-community'

.github/workflows/DEV-CI.yml:65

• The indentation for the multi-line command in the native image compile step is inconsistent and may lead to YAML parsing issues. Consider aligning the indented commands with a uniform two-space offset relative to the 'run:' block.

           echo "::group::GraalVM Native Image Build"