Update Rust crate testcontainers to 0.20.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
testcontainers	workspace.dependencies	minor	0.19.0 -> 0.20.0

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Release Notes

testcontainers/testcontainers-rs (testcontainers)

v0.20.0

Compare Source

Details

Bug Fixes

• [❗] Drop Clone impl for ContainerRequest (#​680)
• Exclude image pulling time from startup timeout (#​687)
• Waiting for mutiple messages from the same log frame (#​688)
• Pass correct log-source for stderr wait strategy (#​692)

Features

• Introduce log consumers (#​681)
• Introduce LoggingConsumer based on log crate (#​682)
• [❗] Enhance LogWaitStrategy to wait for message appearance multiple times (#​683)
• [❗] Introduce ExitWaitStrategy (#​684)

Miscellaneous Tasks

• Get rid of outdated variables naming (#​679)
• Relax log level for log producer error (#​685)
• Re-configure blocking runtime (#​690)

Performance

• Avoid spawning log producer without consumers (#​689)

Refactor

• Internal log processing structures (#​678)

Styling

• Apply clippy suggestion (#​693)

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