Update UniqueID in the BasicInformationCluster to align with the spec (#34166)

* Update UniqueID in the BasicInformationCluster

* Run codegen

Author: yufengwangca

examples/air-purifier-app/air-purifier-common/air-purifier-app.matter

@@ -241,7 +241,7 @@ cluster BasicInformation = 40 {
   readonly attribute optional char_string<32> serialNumber = 15;
   attribute access(write: manage) optional boolean localConfigDisabled = 16;
   readonly attribute optional boolean reachable = 17;
-  readonly attribute optional char_string<32> uniqueID = 18;
+  readonly attribute char_string<32> uniqueID = 18;
   readonly attribute CapabilityMinimaStruct capabilityMinima = 19;
   readonly attribute optional ProductAppearanceStruct productAppearance = 20;
   readonly attribute int32u specificationVersion = 21;

examples/air-quality-sensor-app/air-quality-sensor-common/air-quality-sensor-app.matter

@@ -241,7 +241,7 @@ cluster BasicInformation = 40 {
   readonly attribute optional char_string<32> serialNumber = 15;
   attribute access(write: manage) optional boolean localConfigDisabled = 16;
   readonly attribute optional boolean reachable = 17;
-  readonly attribute optional char_string<32> uniqueID = 18;
+  readonly attribute char_string<32> uniqueID = 18;
   readonly attribute CapabilityMinimaStruct capabilityMinima = 19;
   readonly attribute optional ProductAppearanceStruct productAppearance = 20;
   readonly attribute int32u specificationVersion = 21;