Update dependency org.testcontainers:postgresql to v1.20.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.testcontainers:postgresql (source)	1.20.3 -> 1.20.4

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Release Notes

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

v1.20.4

Compare Source

What's Changed

• Update docs version to ${GITHUB_REF##*/} (#​9450) @​github-actions
• Update testcontainers version to ${GITHUB_REF##*/} (#​9449) @​github-actions

🚀 Features & Enhancements

• [localstack] Add testcontainer marker labels to additional localstack flags (#​9531) @​dfangl
• Remove extra call to docker credentials (#​9545) @​eddumelendez
• Remove privilegedMode in Db2Container (#​9460) @​hfhbd

🐛 Bug Fixes

• Fix docker credentials output (#​9544) @​eddumelendez
• Fix cockroachdb wait strategy with version >= 22.1.0 (#​9505) @​eddumelendez
• Check if container belongs to a network when using exposeHostPorts (#​8298) @​TomDeBacker
• Revert "Add shutdownHook to send sigterm to ryuk (#​7717)" (#​9504) @​eddumelendez
• Stop container that doesn't match wait strategy (#​9474) @​ssheikin
• Fix ClickHouse wait strategy (#​9466) @​livk-cloud

📖 Documentation

• Fix default client.ping.timeout value in docs (#​9464) @​KyleAure
• Add container implementation for Typesense (#​9454) @​eddumelendez

📦 Dependency updates

• Update ryuk version to 0.11.0 (#​9453) @​eddumelendez

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[coveralls]

coverage: 100.0%. remained the same
when pulling fd9f44e on renovate/testcontainers-java-monorepo
into 94c95ec on master.