fix(deps): update all patch versions to v1.21.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.testcontainers:testcontainers-bom (source)	1.21.0 -> 1.21.1
org.testcontainers:kafka (source)	1.21.0 -> 1.21.1

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Release Notes

testcontainers/testcontainers-java (org.testcontainers:testcontainers-bom)

v1.21.1

Compare Source

What's Changed

• Update docs version to 1.21.0 (#​10193) @​github-actions
• Update testcontainers version to 1.21.0 (#​10194) @​github-actions

🚀 Features & Enhancements

• Expose Loki in LgtmContainer (#​10256) @​jaydeluca
• Add support to pull model for DockerModelRunnerContainer (#​10253) @​eddumelendez

🐛 Bug Fixes

• Use generic init script filename when copying it into a Cassandra container (#​9606) @​maximevw

📖 Documentation

• Add support to clickhouse JDBC V2 (#​10280) @​thiagohora
• Fix register listener for kafka docs (#​10268) @​julianladisch

📦 Dependency updates

• Update checkstyle version to 10.23.0 (#​10196) @​eddumelendez

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