feat: Add wait_for_healthcheck to DockerContainer

[rhoban13]

Adding a new wait_for_healthcheck to DockerContainer. This is related to #241, though this provides the functionality on DockerContainer not DockerCompose.

This feature enables testcontainers to achieve a similar functionality with docker compose where a service can declare a depends_on: service_healthy.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@ Coverage Diff @@## main #818 +/- ##
=======================================
Coverage ? 85.61% =======================================
Files ? 12 Lines ? 695 Branches ? 112 =======================================
Hits ? 595 Misses ? 75 Partials ? 25 

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[rhoban13]

Superceded by #838