Bump junit-jupiter-api from 5.4.2 to 5.9.1 in /examples

Bumps [junit-jupiter-api](https://github.com/junit-team/junit5) from 5.4.2 to 5.9.1.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.4.2...r5.9.1)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/examples/junit5/redis/build.gradle

@@ -3,7 +3,7 @@ description = "Examples for docs"
 dependencies {
     api "io.lettuce:lettuce-core:5.1.1.RELEASE"
 
-    testImplementation "org.junit.jupiter:junit-jupiter-api:5.4.2"
+    testImplementation "org.junit.jupiter:junit-jupiter-api:5.9.1"
     testImplementation "org.junit.jupiter:junit-jupiter-params:5.9.1"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.9.1"
     testImplementation project(":testcontainers")