Add client customizer interface for each supported integration.

[maciejwalkowiak]

Fixes #562

• allows defining a customizer for each supported AWS client builder, for example, to configure DynamoDbClientBuilder user must define one or more DynamoDbClientCustomizer
• there can be multiple customizers for each builder, @Order is taken into consideration when applying customization
• to customize every SDK client (sync/async) - for example to configure a custom HTTP client applied to all SDK clients - users can define one or more CommonAwsSyncClientCustomizer (for sync) or CommonAwsAsyncClientCustomizer (for async) beans.

Example:

@Bean
@Order(1)
DynamoDbClientCustomizer dynamoDbClientCustomizer() {
	return builder -> {
		builder.overrideConfiguration(builder.overrideConfiguration().copy(c -> {
			c.apiCallTimeout(Duration.ofMillis(2001));
		}));
	};
}

@Bean
@Order(2)
DynamoDbClientCustomizer dynamoDbClientCustomizer2() {
	return builder -> {
		builder.overrideConfiguration(builder.overrideConfiguration().copy(c -> {
			c.apiCallAttemptTimeout(Duration.ofMillis(2002));
		}));
	};
}

@Bean
CommonAwsSyncClientCustomizer commonAwsSyncClientCustomizer() {
	return builder -> {
		builder.httpClient(ApacheHttpClient.builder().connectionTimeout(Duration.ofMillis(1542)).build());
	};
}

[maciejwalkowiak]

If this looks fine, similar docs will be added to each integration.

[maciejwalkowiak]

for the backward compatibility these methods must be added, but they are marked as deprecated to prevent users from using them in the new code.

[MatejNedic]

Really like the idea. Will follow up with detail Review but idea as it is I love it much better user experience

[MatejNedic]

@maciejwalkowiak reviewed good to go!

[sonarqubecloud]

Quality Gate failed

Failed conditions
B Maintainability Rating on New Code (required ≥ A)

See analysis details on SonarCloud

Catch issues before they fail your Quality Gate with our IDE extension SonarLint