Expose CorsPolicyBuilder#build

[jrhee17]

Motivation:

ref: https://discord.com/channels/1087271586832318494/1087272728177942629/1341502341517545585

Modifications:

• Exposed the build method and added a test located in a different package

Result:

• CorsPolicyBuilder#build is exposed publicly again

[github-actions]

🔍 Build Scan® (commit: 150f130)

Job name	Status	Build Scan®
build-ubicloud-standard-16-jdk-8	✅	https://ge.armeria.dev/s/ibw3hazifhhss
build-ubicloud-standard-16-jdk-21-snapshot-blockhound	✅	https://ge.armeria.dev/s/6cf2oid3xd3ty
build-ubicloud-standard-16-jdk-17-min-java-17-coverage	✅	https://ge.armeria.dev/s/pamit3vbbwmhe
build-ubicloud-standard-16-jdk-17-min-java-11	✅	https://ge.armeria.dev/s/szg6dup7jigns
build-ubicloud-standard-16-jdk-17-leak	✅	https://ge.armeria.dev/s/sie5gd6rxeyye
build-ubicloud-standard-16-jdk-11	✅	https://ge.armeria.dev/s/cdq6vvuilyguo
build-macos-latest-jdk-21	✅	https://ge.armeria.dev/s/ty4656psn7x52

[minwoox]

Thanks!