Bump mdict4j from 0.2.3 to 0.3.0

Bumps [mdict4j](https://github.com/eb4j/mdict4j) from 0.2.3 to 0.3.0.
- [Release notes](https://github.com/eb4j/mdict4j/releases)
- [Changelog](https://github.com/eb4j/mdict4j/blob/main/docs/CHANGELOG.md)
- [Commits](eb4j/mdict4j@v0.2.3...v0.3.0)

---
updated-dependencies:
- dependency-name: io.github.eb4j:mdict4j
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle.kts

@@ -97,7 +97,7 @@ dependencies {
     implementation("io.github.eb4j:dsl4j:0.4.5")
 
     // for mdict
-    implementation("io.github.eb4j:mdict4j:0.2.3")
+    implementation("io.github.eb4j:mdict4j:0.3.0")
     implementation("org.jsoup:jsoup:1.14.3")
 
     // for oxford-api