Bump org.dizitart:nitrite from 3.4.4 to 4.2.1

Bumps [org.dizitart:nitrite](https://github.com/nitrite/nitrite-java) from 3.4.4 to 4.2.1.
- [Release notes](https://github.com/nitrite/nitrite-java/releases)
- [Changelog](https://github.com/nitrite/nitrite-java/blob/main/CHANGELOG.md)
- [Commits](nitrite/nitrite-java@v3.4.4...v4.2.1)

---
updated-dependencies:
- dependency-name: org.dizitart:nitrite
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

synapse-core/build.gradle

@@ -30,7 +30,7 @@ dependencies {
 
     implementation "com.googlecode.concurrentlinkedhashmap:concurrentlinkedhashmap-lru:1.4.2"
 
-    implementation("org.dizitart:nitrite:3.4.4") {
+    implementation("org.dizitart:nitrite:4.2.1") {
         exclude group: "javax.validation", module: "validation-api"
     }