feat(zigbee): Add method to set/get/report analog output

[P-R-O-C-H-Y]

Description of Change

This pull request introduces updates to the Zigbee library, focusing on enhancing support for analog output functionality.
New methods added:

bool setAnalogOutput(float analog);
float getAnalogOutput();
bool reportAnalogOutput();

Tests scenarios

Tested with ESP32-C6 and the Zigbee_Analog_Input_Output example connecting to the HomeAssistant.

Related links

[github-actions]

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Generated by 🚫 dangerJS against 9068d88

[Copilot]

Pull Request Overview

This PR enhances the Zigbee library to support analog output functionality by adding new APIs and updating related examples.

• Introduces setAnalogOutput, getAnalogOutput, and reportAnalogOutput methods.
• Updates the attribute change callback signature and keywords.
• Adjusts example configurations and usage to target Zigbee coordinator/router devices.

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
libraries/Zigbee/src/ep/ZigbeeAnalog.h	Added new analog output methods and modified callback signature.
libraries/Zigbee/src/ep/ZigbeeAnalog.cpp	Implemented new functions for setting and reporting analog output.
libraries/Zigbee/keywords.txt	Updated keywords in line with new API.
libraries/Zigbee/examples/Zigbee_Analog_Input_Output/ci.json	Adjusted configuration for router mode.
libraries/Zigbee/examples/Zigbee_Analog_Input_Output/Zigbee_Analog_Input_Output.ino	Updated mode check and added a call to setAnalogOutputResolution.

[github-actions]

Test Results

 76 files   76 suites   12m 48s ⏱️
 38 tests  38 ✅ 0 💤 0 ❌
241 runs  241 ✅ 0 💤 0 ❌

Results for commit 9068d88.

♻️ This comment has been updated with latest results.

[lucasssvaz]

LGTM