Bump org.embulk:embulk-util-json from 0.2.2 to 0.3.0

Bumps [org.embulk:embulk-util-json](https://github.com/embulk/embulk-util-json) from 0.2.2 to 0.3.0.
- [Commits](embulk/embulk-util-json@v0.2.2...v0.3.0)

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

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

build.gradle

@@ -31,7 +31,7 @@ dependencies {
     exclude group: 'com.fasterxml.jackson.core', module: 'jackson-annotations'
     exclude group: 'org.apache.commons', module: 'commons-lang3'
   }
-  compileOnly("org.embulk:embulk-util-json:0.2.2")
+  compileOnly("org.embulk:embulk-util-json:0.3.0")
 
   implementation 'com.fasterxml.jackson.core:jackson-databind:2.14.2'
   implementation 'org.apache.commons:commons-text:1.10.0'