Update arduino-cli to 0.29.0

Author: ianfixes

Diff for: CHANGELOG.md

@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Change 266 files from CRLF to LF.
 - Run tests on push as well as on a pull request so developers can see impact
 - `ArduinoBackend` now exposes `config_file_path` instead of `config_dir` so that we can be explicit about [strange behavior in `arduino-cli` that isn't going to change anytime soon](https://github.com/arduino/arduino-cli/issues/753)
+- Use `arduino-cli` version `0.29.0` as the backend
 
 ### Deprecated
 

Diff for: lib/arduino_ci/arduino_backend.rb

@@ -200,7 +200,7 @@ def compile_sketch(path, boardname)
         @last_msg = "Can't compile Sketch at nonexistent path '#{path}'!"
         return false
       end
-      ret = run_and_capture("compile", "--fqbn", boardname, "--warnings", "all", "--dry-run", path.to_s)
+      ret = run_and_capture("compile", "--fqbn", boardname, "--warnings", "all", path.to_s)
       @last_msg = ret[:out]
       ret[:success]
     end

Diff for: lib/arduino_ci/arduino_installation.rb

@@ -12,7 +12,7 @@ class ArduinoInstallationError < StandardError; end
   # Manage the OS-specific install location of Arduino
   class ArduinoInstallation
 
-    DESIRED_ARDUINO_CLI_VERSION = "0.13.0".freeze
+    DESIRED_ARDUINO_CLI_VERSION = "0.29.0".freeze
 
     class << self
 

Diff for: spec/arduino_installation_spec.rb

@@ -5,7 +5,7 @@
 
   context "constants" do
     it "Exposes desired backend version" do
-      expect(ArduinoCI::ArduinoInstallation::DESIRED_ARDUINO_CLI_VERSION).to eq("0.13.0")
+      expect(ArduinoCI::ArduinoInstallation::DESIRED_ARDUINO_CLI_VERSION).to eq("0.29.0")
     end
   end