Feat/add scd30

[oscgonfer]

Yet another CO2 sensor from Sensirion. Needs meshtastic/protobufs#861

🤝 Attestations

• I have tested that my proposed changes behave as described.
• I have tested that my proposed changes do not cause any obvious regressions on the following devices:
  • Seeed Xiao S3

[Copilot]

Pull request overview

Adds support for the Sensirion SCD30 CO₂ sensor to the Air Quality Telemetry pipeline, including I2C auto-detection, integration into the telemetry sensor registry, and build-time dependency wiring.

Changes:

• Introduce a new SCD30Sensor TelemetrySensor implementation (metrics + admin configuration hooks).
• Add SCD30 discovery support to I2C scanning and register it in the Air Quality Telemetry module.
• Add the Sensirion SCD30 PlatformIO library dependency; minor log/flow tweaks in existing Sensirion sensor code.

Reviewed changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
src/modules/Telemetry/Sensor/SEN5XSensor.cpp	Adjusts idle/state-save control flow for SEN5X VOC state handling.
src/modules/Telemetry/Sensor/SCD4XSensor.cpp	Log message cleanups and minor formatting changes.
src/modules/Telemetry/Sensor/SCD30Sensor.h	Declares the new SCD30 telemetry sensor class.
src/modules/Telemetry/Sensor/SCD30Sensor.cpp	Implements SCD30 initialization, measurements, and admin-config handlers.
src/modules/Telemetry/AirQualityTelemetry.cpp	Wires SCD30 into the air quality sensor scan/add sequence.
src/detect/ScanI2CTwoWire.cpp	Adds SCD30 address detection to the I2C scanner.
src/detect/ScanI2C.h	Adds SCD30 to the DeviceType enum.
src/configuration.h	Defines the SCD30 I2C address constant.
platformio.ini	Adds the Sensirion I2C SCD30 library to relevant environments.

[caveman99]

@oscgonfer i pulled the protobuf into develop. can you have a look at the findings of copilot?

[oscgonfer]

@caveman99 all done