v1.2.0.1

@bzbarsky-apple

What's Changed

Initialize CHIP stack before running app tests by @arkq in #29092
Tests: Use TestCert enum type instead of uint8_t by @ksperling-apple in #30011
Add a _span string literal operator for creating constexpr CharSpans by @ksperling-apple in #30042

Commissioning time sync: copy parameters to autocommissioner by @cecille in #29908
Set a timezone and DST offsets during commissioning on Darwin. by @bzbarsky-apple in #29933
Add new Matter 1.3 features to Network Commissioning XML by @tcarmelveilleux in #29945
Move AudioOutput cluster up to spec by @andy31415 in #29948
Make Ballast Configuration Cluster match the spec by @andy31415 in #29957
Move Pump Configuration and Control to match spec by @andy31415 in #29955
Remove the startupmode from the rvc clusters by @hicklin in #29949
[ICD] Add User active mode trigger types and attributes by @mkardous-silabs in #30053
Update Operational Credential Cluster to match the spec by @andy31415 in #30061
Make group cluster match the spec by @andy31415 in #30056

TC-CC-5.4: Remove read steps by @cecille in #29897
Mode-derived clusters: rev update (XMLs + TC 1.1) by @plauric in #29964
Power source server: Use ember function for array indexing by @cecille in #29892
TC-DGGEN-3.1: Add by @cecille in #30024
[Groups] Enable GroupTable attribute reporting by @lpbeliveau-silabs in #30055
[ICD] Update ICDM cluster revision by @mkardous-silabs in #30033

Add Swift versions of a few more MTRDevice tests. by @bzbarsky-apple in #29914
[BouffaloLab] Add factory string data terminator by @shchen-Lab in #29928
Add better APIs for initializing MTRCluster instances from Swift. by @bzbarsky-apple in #29915
[Linux] Convert possible Bluez object to GAutoPtr<> by @DamMicSzm in #29987
Add missing LwIPLog for Bouffalolab platform by @aalexanderr in #29999
Simplify the NSDate to Matter epoch conversion code. by @bzbarsky-apple in #29963
Expose some more information on MTRDevice/MTRCluster*. by @bzbarsky-apple in #29769
[Telink] Use common main & apptask for chef app by @s07641069 in #29995
[Silabs][WiFi] disable tcp endpoint by @jmartinez-silabs in #30040
Don't generate Objective-C compatibility headers for Matter.framework Swift APIs. by @bzbarsky-apple in #30028

Add a way to trigger lock/unlock in linux lock-app by writing JSON to the FIFO. by @bzbarsky-apple in #29919
Remove door lock cluster from all-clusters-app by @cecille in #29802
[Silabs] Disable Extended Discovery in Silabs apps by @selissia in #30059
chip::to_underlying is missing [air-quality-sensor-manager] by @BurievSardor in #30057

Full Changelog: v1.2.0.0...v1.2.0.1