Prepare for the next release

[majguo]

This pull request includes several updates to the Azure integration scripts, documentation, and configurations. The changes primarily focus on improving the integration tests and updating the documentation to reflect the new configurations for Azure Event Hubs.

Integration Script Updates:

• Added -e to the set -Euo pipefail command in .github/create-azure-resources.sh and .github/run-integration-test.sh to ensure that the shell script exits on any error. [1] [2]
• Removed the -B flag from mvn commands to avoid batch mode in .github/run-integration-test.sh. [1] [2] [3] [4]

Documentation Updates:

• Added a new section to the integration test README for creating Azure Event Hubs resources.
• Updated the navigation and includes in the documentation to include Azure Event Hubs. [1] [2]

Configuration and Code Changes:

• Modified EventhubsConfig to use Optional<String> for namespace, domain name, and event hub name. [1] [2]
• Updated EventhubsClientProducer to use ClientOptions and added validation for required configurations. [1] [2]

Dependency and Build Updates:

• Added quarkus-azure-eventhubs-deployment dependency to docs/pom.xml.
• Removed redundant dependencies from extensions/azure-eventhubs/deployment/pom.xml.

Integration Test Improvements:

• Fixed issues in CosmosAsyncResource to use flatMap for asynchronous operations. [1] [2] [3]
• Removed redundant HTTP status code checks in integration-tests/azure-cosmos/README.md. [1] [2]