fix(ci): use arduino-lint 1.2.0

new version 1.2.1 raised an error about default upload method.
But it could not be fixed easily as Arduino seems not manage
submenu level for upload method.

See:
    #1654
    arduino/arduino-cli#1444

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

.github/workflows/arduino-lint.yml

@@ -17,3 +17,5 @@ jobs:
 
       - name: Arduino Lint
         uses: arduino/arduino-lint-action@v1
+        with:
+          version: 1.2.0