chore: bump java to 21 and dependencies

bump org.junit.jupiter:junit-jupiter from 5.13.4 to 6.0.0
bump org.junit.jupiter:junit-jupiter-params from 5.13.4 to 6.0.0
bump dev.langchain4j:langchain4j-bom from 1.6.0 to 1.7.1
bump dev.langchain4j:langchain4j-community-bom from 1.6.0-beta11 to 1.7.1-beta14

Author: Blarc

build.gradle.kts

@@ -100,7 +100,7 @@ dependencies {
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.9.0")
 
     // langchain4j integrations
-    implementation(platform("dev.langchain4j:langchain4j-bom:1.6.0"))
+    implementation(platform("dev.langchain4j:langchain4j-bom:1.7.1"))
     implementation("dev.langchain4j:langchain4j-open-ai")
     implementation("dev.langchain4j:langchain4j-ollama")
     implementation("dev.langchain4j:langchain4j-vertex-ai-gemini")
@@ -113,12 +113,12 @@ dependencies {
     implementation("dev.langchain4j:langchain4j-mistral-ai")
     implementation("dev.langchain4j:langchain4j-bedrock")
 
-    implementation(platform("dev.langchain4j:langchain4j-community-bom:1.6.0-beta11"))
+    implementation(platform("dev.langchain4j:langchain4j-community-bom:1.7.1-beta14"))
     // The Baidu Qianfan Large Model Platform, including the ERNIE series, can be accessed at https://docs.langchain4j.dev/integrations/language-models/qianfan/.
     implementation("dev.langchain4j:langchain4j-community-qianfan")
 
     // tests
-    testImplementation("org.junit.jupiter:junit-jupiter-params:5.13.4")
-    testImplementation("org.junit.jupiter:junit-jupiter:5.13.4")
+    testImplementation("org.junit.jupiter:junit-jupiter-params:6.0.0")
+    testImplementation("org.junit.jupiter:junit-jupiter:6.0.0")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }

gradle.properties

@@ -18,7 +18,7 @@ platformVersion = 2023.3
 platformPlugins = org.jetbrains.kotlin, org.jetbrains.plugins.github, Git4Idea, Subversion
 
 # If targeting 2022.3+, Java 17 is required.
-javaVersion = 17
+javaVersion = 21
 
 # https://github.com/gradle/gradle/releases
 gradleVersion = 8.5