dependabot: bump org.junit.jupiter:junit-jupiter-api

Bumps [org.junit.jupiter:junit-jupiter-api](https://github.com/junit-team/junit5) from 5.11.2 to 5.12.1.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.2...r5.12.1)

---
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] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -158,7 +158,7 @@ dependencies {
     testImplementation group: 'net.bytebuddy', name: 'byte-buddy-agent', version: '1.15.10'
     testCompileOnly 'org.apiguardian:apiguardian-api:1.1.2'
     // jupiter is required to run unit tests not inherited from OpenSearchTestCase (e.g., PreviousValueImputerTests)
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.11.2'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.12.1'
     testImplementation  'org.junit.jupiter:junit-jupiter-params:5.11.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.11.2'
     testImplementation "org.opensearch:opensearch-core:${opensearch_version}"