Add feature to redact logged passwords

[dominicwenig-hmq]

New feature to redact logged passwords.

[Copilot]

Pull Request Overview

This pull request adds a new configuration option to redact passwords in verbose logging mode.

• Adds a redact-password boolean configuration property with a default value of false
• Updates password logging logic to display <redacted> when the option is enabled
• Adds comprehensive test coverage for the new redaction functionality

Reviewed Changes

Copilot reviewed 27 out of 30 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/main/java/com/hivemq/extensions/log/mqtt/message/config/ExtensionConfig.java	Adds isRedactPassword() method to interface
src/main/java/com/hivemq/extensions/log/mqtt/message/config/ExtensionConfigProperties.java	Implements redact-password property constant and getter
src/main/java/com/hivemq/extensions/log/mqtt/message/config/ExtensionConfigXml.java	Adds XML binding for redact-password field
src/main/java/com/hivemq/extensions/log/mqtt/message/config/ExtensionConfigReader.java	Sets default value for redact-password property
src/main/java/com/hivemq/extensions/log/mqtt/message/util/MessageLogUtil.java	Implements password redaction logic in logConnect method
src/main/java/com/hivemq/extensions/log/mqtt/message/interceptor/ConnectInboundInterceptorImpl.java	Passes redactPassword parameter to logging utility
src/main/java/com/hivemq/extensions/log/mqtt/message/interceptor/ConnectDisconnectEventListener.java	Passes redactPassword parameter to logging utility
src/main/java/com/hivemq/extensions/log/mqtt/message/initializer/ClientInitializerImpl.java	Passes redactPassword config to interceptor
src/main/java/com/hivemq/extensions/log/mqtt/message/initializer/ClientInitializerImpl4_2.java	Passes redactPassword config to event listener and interceptor
src/main/resources/config.xsd	Adds redact-password element to XSD schema
src/test/java/com/hivemq/extensions/log/mqtt/message/util/MessageLogUtilTest.java	Adds test coverage for password redaction scenarios
src/test/java/com/hivemq/extensions/log/mqtt/message/config/ExtensionConfigReaderTest.java	Updates tests to verify redact-password default value
src/integrationTest/java/com/hivemq/extensions/log/FullConfigRedactPasswordIT.java	Adds integration tests for redact-password functionality
src/integrationTest/java/com/hivemq/extensions/log/FullConfigXmlRedactPasswordIT.java	Adds XML-based integration tests for redact-password functionality
src/integrationTest/resources/fullConfigRedactPassword.xml	Adds test configuration file with redact-password enabled
src/integrationTest/resources/fullConfigRedactPassword.properties	Adds test properties file with redact-password enabled
src/integrationTest/resources/fullConfig*.xml	Updates existing config files with redact-password default
src/integrationTest/resources/fullConfig*.properties	Updates existing property files with redact-password default
src/hivemq-extension/conf/examples/config.xml	Updates example configuration with redact-password option
README.adoc	Documents the new redact-password configuration option

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[Donnerbart]

Implemented via #139