Bump org.embulk:embulk-util-rubytime from 0.3.2 to 0.4.0

Bumps [org.embulk:embulk-util-rubytime](https://github.com/embulk/embulk-util-rubytime) from 0.3.2 to 0.4.0.
- [Commits](embulk/embulk-util-rubytime@v0.3.2...v0.4.0)

---
updated-dependencies:
- dependency-name: org.embulk:embulk-util-rubytime
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ embulk-util-text = "0.1.3"
 jackson = { require = "2.15.4", prefer = "2.16.2" }
 
 junit5 = "5.10.2"
-embulk-util-rubytime = "0.3.2"
+embulk-util-rubytime = "0.4.0"
 
 checkstyle = "9.3"