build(deps): bump testcontainers from 1.20.5 to 1.21.0 (#407)

Bumps `testcontainers` from 1.20.5 to 1.21.0.

Updates `org.testcontainers:testcontainers` 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)

Updates `org.testcontainers:kafka` 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)

Updates `org.testcontainers:junit-jupiter` 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)

Updates `org.testcontainers:minio` 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)

Updates `org.testcontainers:vault` 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:testcontainers
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:kafka
  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:production
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:vault
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ edc = "0.12.0"
 okhttp-mockwebserver = "5.0.0-alpha.14"
 restAssured = "5.5.1"
 rsApi = "4.0.0"
-testcontainers = "1.20.5"
+testcontainers = "1.21.0"
 kafkaClients = "4.0.0"
 
 [libraries]