fix(deps-dev): bump esbuild in /templates/mle-ts-sample

Bumps [esbuild](https://github.com/evanw/esbuild) from 0.25.1 to 0.28.0.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG-2025.md)
- [Commits](evanw/esbuild@v0.25.1...v0.28.0)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-version: 0.28.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

templates/mle-ts-sample/package.json

@@ -4,7 +4,7 @@
     "devDependencies": {
         "mle-js": "^23.7.0",
         "typescript": "^5.7.3",
-        "esbuild": "0.25.1",
+        "esbuild": "0.28.0",
         "oracledb": "^6.7.1",
         "vitest": "^3.1.2",
         "dotenv": "^16.5.0"