Bump io.smallrye.config:smallrye-config from 3.8.1 to 3.9.1

Bumps [io.smallrye.config:smallrye-config](https://github.com/smallrye/smallrye-config) from 3.8.1 to 3.9.1.
- [Release notes](https://github.com/smallrye/smallrye-config/releases)
- [Commits](smallrye/smallrye-config@3.8.1...3.9.1)

---
updated-dependencies:
- dependency-name: io.smallrye.config:smallrye-config
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

smallrye-llm-langchain4j-buildcompatible-extension/pom.xml

@@ -77,7 +77,7 @@
  <dependency>
  <groupId>io.smallrye.config</groupId>
  <artifactId>smallrye-config</artifactId>
- <version>3.8.1</version>
+ <version>3.9.1</version>
  <scope>test</scope>
  </dependency>
  <dependency>

smallrye-llm-langchain4j-config-mpconfig/pom.xml

@@ -15,7 +15,7 @@
  <dependency>
  <groupId>io.smallrye.config</groupId>
  <artifactId>smallrye-config</artifactId>
- <version>3.8.1</version>
+ <version>3.9.1</version>
  <scope>test</scope>
  </dependency>
  <dependency>

smallrye-llm-langchain4j-portable-extension/pom.xml

@@ -43,7 +43,7 @@
  <dependency>
  <groupId>io.smallrye.config</groupId>
  <artifactId>smallrye-config</artifactId>
- <version>3.8.1</version>
+ <version>3.9.1</version>
  <scope>test</scope>
  </dependency>
  <dependency>