[MRESOLVER-722] Bump testcontainersVersion from 1.20.6 to 1.21.0 (#688)

Bumps `testcontainersVersion` from 1.20.6 to 1.21.0.

Updates `org.testcontainers:testcontainers` from 1.20.6 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@1.20.6...1.21.0)

Updates `org.testcontainers:junit-jupiter` from 1.20.6 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@1.20.6...1.21.0)

Updates `org.testcontainers:minio` from 1.20.6 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@1.20.6...1.21.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

---

https://issues.apache.org/jira/browse/MRESOLVER-722

Author: dependabot[bot]

pom.xml

@@ -106,7 +106,7 @@
     <sisuVersion>0.9.0.M3</sisuVersion>
     <guiceVersion>6.0.0</guiceVersion>
     <slf4jVersion>2.0.17</slf4jVersion>
-    <testcontainersVersion>1.20.6</testcontainersVersion>
+    <testcontainersVersion>1.21.0</testcontainersVersion>
     <bouncycastleVersion>1.80</bouncycastleVersion>
 
     <!-- Remove when parent updates -->