Validate i2c_output from within validate.yml

Author: brentru

.github/workflows/validate.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        componentType: [pin, i2c, servo, ds18x20, pwm, pixel, uart]
+        componentType: [pin, i2c, i2c_output, servo, ds18x20, pwm, pixel, uart]
 
     name: Validate ${{ matrix.componentType }} Component Definition Files
     steps: