fix(deps): update io.objectbox to v5.4.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
io.objectbox:objectbox-gradle-plugin (source)	5.2.0 → 5.4.1
io.objectbox:objectbox-processor (source)	5.2.0 → 5.4.1
io.objectbox:objectbox-android (source)	5.2.0 → 5.4.1

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Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

objectbox/objectbox-java (io.objectbox:objectbox-android)

v5.4.1

• Update Android and JVM libraries to database version 5.3.1-2026-03-26

Sync

• Critical fix for sync clock property handling

v5.4.0

• Update Android and JVM libraries to database version 5.3.0-2026-03-23
• Admin: Status tab "Count and Sizes" and "System and Info" improved

Sync

• Conflict resolution via the new annotations @SyncClock and @SyncPrecedence (allows last win with custom conflict
  resolution)
• Fix bad Sync client state after multiple full sync messages were interrupted
• Fix adding indexes to Sync types

v5.3.0

• Gradle plugin: to apply the plugin, it is no longer necessary to add a manual mapping of the plugin ID in your
  projects Gradle settings file. This was resolved by publishing Gradle plugin marker artifacts.
  #​960
• Gradle plugin: it is no longer necessary to apply the plugin after the dependencies block when manually including
  ObjectBox dependencies.
• Update database libraries for Android and JVM to database version 5.2.0-next-2026-03-10
• (Minor) performance improvements of HNSW vector search on Linux ARM targets

Sync

• Sync protocol version 10
• SyncClient: support updating filter variables. After login, stage updates using put and remove, then schedule to send
  them to the server with applyFilterVariables().
• Update client sync filters variables when online
• Clients report errors to the server

Migration instructions

Drop the Gradle plugin ID mapping

If your settings.gradle.kts or settings.gradle file contains lines similar to:

pluginManagement {
    repositories {
        mavenCentral()
    }
    
    resolutionStrategy {
        eachPlugin {
            if (requested.id.id == "io.objectbox") {
                useModule("io.objectbox:objectbox-gradle-plugin:${requested.version}")
            }
        }
    }
}

Update them to remove the plugin mapping configuration:

pluginManagement {
    repositories {
        mavenCentral()
    }
}

Apply the plugin using plugins syntax

If your build scripts are applying the plugin after the dependencies block similar to:

dependencies {
    // ...  
} 

apply(plugin = "io.objectbox")

Change them to apply the plugin using plugins syntax:

plugins {
    id("io.objectbox")
}

dependencies {
    // ...  
}

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