Bump arduino/setup-arduino-cli from 1 to 2

Bumps [arduino/setup-arduino-cli](https://github.com/arduino/setup-arduino-cli) from 1 to 2.
- [Release notes](https://github.com/arduino/setup-arduino-cli/releases)
- [Commits](https://github.com/arduino/setup-arduino-cli/compare/v1...v2)

---
updated-dependencies:
- dependency-name: arduino/setup-arduino-cli
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
         config: [arduino-cli.yaml, arduino-cli-dev.yaml]
     steps:
       - uses: actions/checkout@v4
-      - uses: arduino/setup-arduino-cli@v1
+      - uses: arduino/setup-arduino-cli@v2
       - name: Download board
         run: |
           arduino-cli --config-file ${{ matrix.config }} core update-index