build: switched from ncc to esbuild to support ESM

[kurosakishigure]

Signed-off-by: Shigure Kurosaki shigure@hqsy.net

Summary of Changes

1. build(deps): bump @actions/github from 7.0.0 to 9.0.0
2. build(deps-dev): bump @types/node from 25.0.10 to 25.2.0
3. build(deps): bump @actions/core from 2.0.3 to 3.0.0
4. build(deps): bump @actions/exec from 2.0.0 to 3.0.0
5. build(deps-dev): remove @vercel/ncc
6. build(deps-dev): add esbuild
7. build(package.json): add a typecheck script
8. build(package.json): update the build script
9. build(tsconfig.json): update fields related to esbuild
10. refactor(paths): replace ../ and ./ with @/

Description

• What does this PR do?
  • EXPLAIN_HERE
• Which issue does it resolve?
  • Closes #ISSUE_NUMBER
• Does this introduce breaking changes?
  • EXPLAIN_HERE

Checklist

• I have followed the contribution guidelines.
• I have updated the build system.
• I have updated the examples.
• I have updated the tests.
• I have updated the documentation.
• I have updated the CI pipeline.
• I have reviewed my changes.

Additional Notes

• ESM-only with updated @octokit dependencies actions/toolkit#2260
• @actions/core: convert to ESM module actions/toolkit#2272
• @actions/exec: convert to ESM module actions/toolkit#2269
• https://esbuild.github.io
• https://www.typescriptlang.org/tsconfig
• https://github.com/vercel/next.js/blob/canary/packages/create-next-app/templates/app-tw/ts/tsconfig.json