Print esp-println generated defmt messages (esp-rs#466)

* Print defmt frames output by esp-println

* Add changelog entry

* Display log level

* Bump MSRV to 1.70

* Refactor for opt-in defmt

* Make defmt a default feature

* Update CHANGELOG.md

Co-authored-by: Sergio Gasquez Arcos <sergio.gasquez@gmail.com>

* Fix panic on frame containing multiple lines

* Fix panic due to newline normalization

* Don't enable defmt by default

---------

Co-authored-by: Sergio Gasquez Arcos <sergio.gasquez@gmail.com>

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Add publish to Crates.io step in the release workflow. (#486)
 
+- Read esp-println generated defmt messages (#466)
+
 ### Fixed
 
 ### Changed

espflash/Cargo.toml

@@ -39,7 +39,9 @@ clap = { version = "4.4.6", features = ["derive", "env", "wrap_help"], optional
 clap_complete = { version = "4.4.3", optional = true }
 comfy-table = { version = "7.0.1", optional = true }
 crossterm = { version = "0.25.0", optional = true } # 0.26.x causes issues on Windows
-ctrlc = { version = "3.4.1", optional = true }
+ctrlc = { version = "3.4.0", optional = true }
+defmt-decoder = { version = "=0.3.8", features = ["unstable"], optional = true }
+defmt-parser = { version = "=0.3.3", features = ["unstable"], optional = true }
 dialoguer = { version = "0.10.4", optional = true }
 directories = { version = "5.0.1", optional = true }
 env_logger = { version = "0.10.0", optional = true }
@@ -82,4 +84,8 @@ cli = [
     "dep:regex",
     "dep:update-informer",
 ]
+defmt = [
+    "dep:defmt-decoder",
+    "dep:defmt-parser",
+]
 raspberry = ["dep:rppal"]