Update dependency testcontainers to v9.6.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
testcontainers	9.5.0 -> 9.6.0

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Release Notes

testcontainers/testcontainers-node

v9.6.0

Compare Source

Changes

🚀 Features

• Make stop container idempotent @​cristianrgreco (#​544)
• Add limited Rancher Desktop pipeline @​cristianrgreco (#​538)
• Add limited Colima pipeline @​cristianrgreco (#​537)
• Implement composite wait strategy @​cristianrgreco (#​532)
• Better Podman support @​cristianrgreco (#​515)

🧹 Maintenance

• Drop node 14 and add node 20 in CICD pipelines @​cristianrgreco (#​540)
• Renew certificates used by Kafka tests @​cristianrgreco (#​542)
• Document supported container runtimes @​cristianrgreco (#​536)

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