build(deps-dev): bump cucumber.version from 7.30.0 to 7.31.0 in /example

Bumps `cucumber.version` from 7.30.0 to 7.31.0.

Updates `io.cucumber:cucumber-java8` from 7.30.0 to 7.31.0
- [Release notes](https://github.com/cucumber/cucumber-jvm/releases)
- [Changelog](https://github.com/cucumber/cucumber-jvm/blob/main/CHANGELOG.md)
- [Commits](cucumber/cucumber-jvm@v7.30.0...v7.31.0)

Updates `io.cucumber:cucumber-junit-platform-engine` from 7.30.0 to 7.31.0
- [Release notes](https://github.com/cucumber/cucumber-jvm/releases)
- [Changelog](https://github.com/cucumber/cucumber-jvm/blob/main/CHANGELOG.md)
- [Commits](cucumber/cucumber-jvm@v7.30.0...v7.31.0)

Updates `io.cucumber:cucumber-spring` from 7.30.0 to 7.31.0
- [Release notes](https://github.com/cucumber/cucumber-jvm/releases)
- [Changelog](https://github.com/cucumber/cucumber-jvm/blob/main/CHANGELOG.md)
- [Commits](cucumber/cucumber-jvm@v7.30.0...v7.31.0)

---
updated-dependencies:
- dependency-name: io.cucumber:cucumber-java8
  dependency-version: 7.31.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: io.cucumber:cucumber-junit-platform-engine
  dependency-version: 7.31.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: io.cucumber:cucumber-spring
  dependency-version: 7.31.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

example/pom.xml

@@ -14,7 +14,7 @@
     <maven.compiler.target>${java.version}</maven.compiler.target>
     <junit-jupiter.version>6.0.0</junit-jupiter.version>
     <spring-boot.version>3.5.7</spring-boot.version>
-    <cucumber.version>7.30.0</cucumber.version>
+    <cucumber.version>7.31.0</cucumber.version>
     <springdoc-openapi-starter.version>2.8.13</springdoc-openapi-starter.version>
     <pre-liquibase.version>1.6.1</pre-liquibase.version>
     <otj-pg-embedded.version>1.1.1</otj-pg-embedded.version>