chore(deps): update dependency testcontainers.postgresql to 4.3.0

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Testcontainers.PostgreSql (source)	nuget	minor	4.2.0 -> 4.3.0

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Release Notes

testcontainers/testcontainers-dotnet (Testcontainers.PostgreSql)

v4.3.0

Compare Source

What's Changed

Thank you to all the contributors 🙌.

🚀 Features

• feat: Add Apache Cassandra module (#​1367) @​gavindekock
• feat(Oracle): Add support for WithDatabase(string) for Oracle 18 and onwards (#​1321) @​0xced
• feat: Add EventHubs module (#​1373) @​HofmeisterAn
• feat: Add Db2 module (#​1237) @​kevin0x90

🐛 Bug Fixes

• fix(MongoDb): Evaluate replica set status in wait strategy (#​1369) @​HofmeisterAn

🧹 Housekeeping

• chore: Update examples implementations (#​1379) @​HofmeisterAn
• chore: Remove SharedContainerInstance and use ContainerFixture instead (#​1378) @​0xced
• chore: Remove code smells and bump dependencies (#​1374) @​HofmeisterAn
• chore: Add support for macOS in Testcontainers.Db2.Tests (#​1371) @​0xced
• chore: Add WithAcceptLicenseAgreement(bool) to container builder (#​1370) @​HofmeisterAn
• chore: Set PackageLicenseExpression property to MIT (#​1368) @​ax-meyer

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