chore(deps): bump esbuild from 0.21.3 to 0.21.4

Bumps [esbuild](https://github.com/evanw/esbuild) from 0.21.3 to 0.21.4.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.21.3...v0.21.4)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: examples/app/package.json

@@ -59,7 +59,7 @@
     "@types/node": "20.12.12",
     "aws-cdk": "^2.143.0",
     "constructs": "^10.3.0",
-    "esbuild": "^0.21.3",
+    "esbuild": "^0.21.4",
     "jest": "^29.7.0",
     "ts-jest": "^29.1.3",
     "ts-node": "^10.9.2",

Diff for: layers/package.json

@@ -39,6 +39,6 @@
   "dependencies": {
     "aws-cdk": "^2.143.0",
     "aws-cdk-lib": "^2.143.0",
-    "esbuild": "^0.21.3"
+    "esbuild": "^0.21.4"
   }
 }