Bump dev.langchain4j dependency set from 0.27.1 to 0.30.0

Bumps `dev.langchain4j` dependency set from 0.27.1 to 0.30.0.

Updates `dev.langchain4j:langchain4j` from 0.27.1 to 0.30.0
- [Release notes](https://github.com/langchain4j/langchain4j/releases)
- [Commits](langchain4j/langchain4j@0.27.1...0.30.0)

Updates `dev.langchain4j:langchain4j-elasticsearch` from 0.27.1 to 0.30.0
- [Release notes](https://github.com/langchain4j/langchain4j/releases)
- [Commits](langchain4j/langchain4j@0.27.1...0.30.0)

Updates `dev.langchain4j:langchain4j-embeddings-all-minilm-l6-v2` from 0.27.1 to 0.30.0
- [Release notes](https://github.com/langchain4j/langchain4j-embeddings/releases)
- [Commits](langchain4j/langchain4j-embeddings@0.27.1...0.30.0)

Updates `dev.langchain4j:langchain4j-open-ai-spring-boot-starter` from 0.27.1 to 0.30.0
- [Release notes](https://github.com/langchain4j/langchain4j-spring/releases)
- [Commits](langchain4j/langchain4j-spring@0.27.1...0.30.0)

---
updated-dependencies:
- dependency-name: dev.langchain4j:langchain4j
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: dev.langchain4j:langchain4j-elasticsearch
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: dev.langchain4j:langchain4j-embeddings-all-minilm-l6-v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: dev.langchain4j:langchain4j-open-ai-spring-boot-starter
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

langchain4j/build.gradle

@@ -34,7 +34,7 @@ dependencies {
 
 dependencyManagement {
 	dependencies {
-		dependencySet(group: 'dev.langchain4j', version: '0.27.1') {
+		dependencySet(group: 'dev.langchain4j', version: '0.30.0') {
 			entry 'langchain4j'
 			entry 'langchain4j-elasticsearch'
 			entry 'langchain4j-embeddings-all-minilm-l6-v2'