Bump org.embulk:embulk-core from 0.10.38 to 0.11.4

Bumps [org.embulk:embulk-core](https://github.com/embulk/embulk) from 0.10.38 to 0.11.4.
- [Release notes](https://github.com/embulk/embulk/releases)
- [Commits](embulk/embulk@v0.10.38...v0.11.4)

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

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

build.gradle

@@ -25,7 +25,7 @@ tasks.withType(JavaCompile) {
 }
 
 dependencies {
-  compileOnly("org.embulk:embulk-core:0.10.38") {
+  compileOnly("org.embulk:embulk-core:0.11.4") {
     exclude group: 'com.fasterxml.jackson.core', module: 'jackson-databind'
     exclude group: 'com.fasterxml.jackson.core', module: 'jackson-core'
     exclude group: 'com.fasterxml.jackson.core', module: 'jackson-annotations'