release: firmware v0.2.0

Major architecture reorganization, Wio Tracker L1 support, LED blink
on packet activity, native USB for Heltec V3 (hardware mod required).
See CHANGELOG.md for full details.

firmware/Cargo.lock

@@ -372,7 +372,7 @@ dependencies = [
 
 [[package]]
 name = "donglora"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "cfg-if",
  "cortex-m",

firmware/Cargo.toml

@@ -3,7 +3,7 @@ members = ["."]
 
 [package]
 name = "donglora"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 build = "build.rs"
 authors = ["Stephen Waits <steve@waits.net>"]