chore: bump gha-utils from 0.3.0 to 0.4.0 (#457)

Bumps [gha-utils](https://github.com/threeal/gha-utils) from 0.3.0 to 0.4.0.
- [Release notes](https://github.com/threeal/gha-utils/releases)
- [Commits](https://github.com/threeal/gha-utils/compare/v0.3.0...v0.4.0)

---
updated-dependencies:
- dependency-name: gha-utils
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Alfi Maulana <alfi.maulana.f@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

dist/action.mjs

@@ -5,6 +5,7 @@ import path from 'node:path';
 import { execFileSync } from 'node:child_process';
 
 /**
+ * @internal
  * Retrieves the value of an environment variable.
  *
  * @param name - The name of the environment variable.
@@ -25,7 +26,7 @@ function mustGetEnvironment(name) {
  * @returns The value of the GitHub Actions input, or an empty string if not found.
  */
 function getInput(name) {
-    const value = process.env[`INPUT_${name.toUpperCase()}`] || "";
+    const value = process.env[`INPUT_${name.toUpperCase()}`] ?? "";
     return value.trim();
 }
 /**