Release v1.4.0

[mateuszrzeszutek]

This release uses OpenTelemetry Instrumentation for Java version 1.6.0. If you want to extend the instrumentation manually, we suggest using the OpenTelemetry Java API version 1.6.0. For manually adding custom metrics we suggest using Micrometer version 1.7.4. Please consult the release notes linked above for upstream changes.

🗒 General notes

• OpenTelemetry Java SDK and OpenTelemetry Instrumentation for Java dependencies have been updated to version 1.6.0.
• Micrometer dependency was updated to version 1.7.4.

🌟 Enhancements

• Added Restlet 1.0 instrumentation.

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This discussion was created from the release Release v1.4.0.