Bump testcontainersVersion from 1.21.0 to 1.21.1

Bumps `testcontainersVersion` from 1.21.0 to 1.21.1.

Updates `org.testcontainers:testcontainers` from 1.21.0 to 1.21.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.0...1.21.1)

Updates `org.testcontainers:spock` from 1.21.0 to 1.21.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.0...1.21.1)

Updates `org.testcontainers:influxdb` from 1.21.0 to 1.21.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.0...1.21.1)

Updates `org.testcontainers:postgresql` from 1.21.0 to 1.21.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.0...1.21.1)

Updates `org.testcontainers:couchbase` from 1.21.0 to 1.21.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.0...1.21.1)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers
  dependency-version: 1.21.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:spock
  dependency-version: 1.21.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:influxdb
  dependency-version: 1.21.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:postgresql
  dependency-version: 1.21.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:couchbase
  dependency-version: 1.21.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -21,7 +21,7 @@ ext {
   groovyBinaryVersion = "4.0.27"
 
   junitVersion = '1.12.0'
-  testcontainersVersion = '1.21.0'
+  testcontainersVersion = '1.21.1'
 
   scriptsLocation = 'gradle' + File.separator + 'scripts' + File.separator //location of script plugins
 }