Version 1.0.0-alpha

JMX metrics - New 🌟

• Adopt OpenTelemetry 1.0.0(-alpha) dependencies (#32)
  • Update JMX Metric Gatherer to use 1.0.0(-alpha) proto, API, SDK, and exporters.
  • Update JMX Metric Gatherer to use Autoconfigure SDK extension properties*
• JMX Metric Gatherer - Handle missing MBean attributes without failing (#39) - Thanks to @dehaansa.