Change import path for LoggingHandler to accommodate upstream breaking changes - Distro

[rads-1996]

Description

LoggingHandler from opentelemetry.sdk_logs is being deprecated. Need to use the LoggingHandler from the opentelemetry-instrumentation-logging instead.

All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

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• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

[Copilot]

Pull request overview

Updates the Azure Monitor OpenTelemetry distro to use the new LoggingHandler location from opentelemetry-instrumentation-logging, aligning with upstream deprecation/breaking changes in opentelemetry.sdk._logs.

Changes:

• Switch LoggingHandler import to opentelemetry.instrumentation.logging.handler.
• Update unit test module stubs to reflect the new import path.
• Bump pinned OpenTelemetry-related dependencies and add opentelemetry-instrumentation-logging to install_requires.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
sdk/monitor/azure-monitor-opentelemetry/azure/monitor/opentelemetry/_configure.py	Imports LoggingHandler from the instrumentation package during logging pipeline setup.
sdk/monitor/azure-monitor-opentelemetry/tests/test_configure.py	Adjusts sys.modules patching in logging setup tests for the new handler import.
sdk/monitor/azure-monitor-opentelemetry/setup.py	Updates pinned OpenTelemetry versions and adds the logging instrumentation dependency.
sdk/monitor/azure-monitor-opentelemetry/CHANGELOG.md	Notes the import-path change under “Other Changes”.

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[JacksonWeber]

LGTM