rev minor to 1.1; release notes

cite pb-net PR

Add blazor hint (when possible) (protobuf-net#248)

* re protobuf-net#247, add [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)]

(rev the build SDK so we can use NET5_0_OR_GREATER build symbol)

* add release notes tweak

strong-naming error needs explicit ref in tests

release notes and fix WCF build

Add SchemaGenerator API (protobuf-net#108)

* tweaks to reflection services code:

- rename ServicesExtensions due to collision; combine two static classes
- update Reflection.cs with latest bits
- use the TypeModel that is configured on the binder, not necessarily the default
- fixup intellisense
- yak some IDE warnings

* add SchemaGenerator API

* fix bad merge

(╯°□°)╯︵ ┻━┻

I cut the yak accidentally

rev lib versions

release notes for 1.0.13