Migrate OTLP to typed config

[webern]

Migrate OTLP config structs to use the typed ConfigurationSystem and SalukiConfiguration instead of the raw map access of GenericConfiguration.

The stack for this one is there:

ID	Description	Branch	Base	Number
PR-otlp	OtlpConfiguration	m/confra-otlp	main	#2168
PR-orel	OtlpRelayConfiguration	m/confra-orel	m/confra-otlp	#2170
PR-odec	OtlpDecoderConfiguration	m/confra-odec	m/confra-orel	#2171
PR-ofwd	OtlpForwarderConfiguration	m/confra-ofwd	m/confra-odec	#2172
PR-odp	DataPlaneConfiguration++	m/confra-odp	m/confra-ofwd	#2173