Bump testcontainers.version from 1.21.3 to 1.21.4

Bumps `testcontainers.version` from 1.21.3 to 1.21.4.

Updates `org.testcontainers:junit-jupiter` from 1.21.3 to 1.21.4
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.3...1.21.4)

Updates `org.testcontainers:testcontainers-bom` from 1.21.3 to 1.21.4
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.3...1.21.4)

---
updated-dependencies:
- dependency-name: org.testcontainers:junit-jupiter
  dependency-version: 1.21.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:testcontainers-bom
  dependency-version: 1.21.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -76,7 +76,7 @@ under the License.
         <commons.compress.version>1.28.0</commons.compress.version>
         <commons.codec.version>1.20.0</commons.codec.version>
 		<git-code-format-maven-plugin.version>5.4</git-code-format-maven-plugin.version>
-		<testcontainers.version>1.21.3</testcontainers.version>
+		<testcontainers.version>1.21.4</testcontainers.version>
 		<maven.mojo.license.plugin>2.7.0</maven.mojo.license.plugin>
 		<checkstyle-maven-plugin.version>3.6.0</checkstyle-maven-plugin.version>
 		<checkstyle.version>12.3.0</checkstyle.version>