chore(deps-dev): bump org.testcontainers:junit-jupiter

Bumps [org.testcontainers:junit-jupiter](https://github.com/testcontainers/testcontainers-java) from 1.20.5 to 1.21.0.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.5...1.21.0)

---
updated-dependencies:
- dependency-name: org.testcontainers:junit-jupiter
  dependency-version: 1.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -61,7 +61,7 @@
     <microcks-testcontainers.version>0.3.0</microcks-testcontainers.version>
     <keycloak-testcontainers.version>3.6.0</keycloak-testcontainers.version>
     <junit.version>5.10.2</junit.version>
-    <testcontainers.version>1.20.5</testcontainers.version>
+    <testcontainers.version>1.21.0</testcontainers.version>
   </properties>
 
   <dependencies>