* New certificate and secrete abstraction with certificate infrastructure and certificate/secret stores.
* leak testing for certificate resources to validate new ref counting in every test assembly
* Migration guide updated and documentation added for all
* Remove IDisposable from Nodestate and UserIdentity.
* UserCertificateTokenHandler now just points into certificate registry/stores, no dispose required
* Fix CA2000 warnings and cleanup of other diagnostics, increase warning levels in .editorconfig
* Fix boolean default should be false instead of true
* Update MigrationGuide for boolean default value changes
Clarified the impact of the boolean default value change and updated the migration guide to reflect the correct initialization requirements.
* make most ptojects aot compatible
* Remove newtonsoft
* Migrate all projects from Mono.Options to System.CommandLine 2.0.5
* Fix array clone
* Replace serializers for storage using new attribute driven type geberator
* Add new AOT integration tests covering all functional areas
* Documentation updates
Generate stack and application code using source generators
Change built in types to readonly structs
Update localized text implementation to use JSON text serializer
Status code with symbolic names
Immutable node ids
No boxing for all built in types <= 8 bytes in Variant.
Split user identity token and token handling via token handler
Add migration guide for breaking changes
Refactored WriterGroupPublishState out of IPubSubConnection file
JSON Discovery messages for DataSetMetaData
UADP Discovery messages for DataSetMetaData (Request + response)
Refactored the UaPublisher, extracted IntervalRunner and reused it in UdpDiscoveryPublisher & UdpDiscoverySubscriber
Proposal: automatic setting of ConfigurationVersion based on the rules in 6.2.2.1.5 (part 14)in new class Opc.Ua.PubSub.Configuration.ConfigurationVersionUtils
New events added to UaPubSubApplication
Implemented support for UADP Data Key Frame DataSetMessages
Unit tests were updated to cover the new functionality