Bump org.testcontainers:testcontainers from 1.20.4 to 1.21.3

[dependabot[bot]]

Bumps org.testcontainers:testcontainers from 1.20.4 to 1.21.3.

Release notes

Sourced from org.testcontainers:testcontainers's releases.

1.21.3

What's Changed

• Update testcontainers/sshd version to 1.3.0 (#10377) @​eddumelendez
• Support docker/mcp-gateway image (#10378) @​eddumelendez
• Update testcontainers version to 1.21.2 (#10369) @​github-actions
• Update docs version to 1.21.2 (#10368) @​github-actions

1.21.2

What's Changed

• Update ryuk version to 0.12.0 (#10357) @​eddumelendez
• Update docs version to 1.21.1 (#10281) @​github-actions
• Update testcontainers version to 1.21.1 (#10282) @​github-actions

📖 Documentation

• Add DockerMcpGatewayContainer (#10364) @​eddumelendez

📦 Dependency updates

• Update Gradle Wrapper from undefined to 8.14.2 (#10352) @​github-actions

1.21.1

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

1.21.0

What's Changed

... (truncated)

Commits

• bebbb2c Update testcontainers/sshd version to 1.3.0 (#10377)
• 2f64a44 Support docker/mcp-gateway image (#10378)
• b2b404a [create-pull-request] automated change (#10369)
• c47afa8 [create-pull-request] automated change (#10368)
• 2bdd299 Add DockerMcpGatewayContainer (#10364)
• 7d83019 Update Gradle Wrapper from undefined to 8.14.2 (#10352)
• 415a2f4 Update ryuk version to 0.12.0 (#10357)
• 63189c8 [create-pull-request] automated change (#10281)
• 71f4e2e [create-pull-request] automated change (#10282)
• df3ed30 Add support to clickhouse JDBC V2 (#10280)
• Additional commits viewable in compare view

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