Fix: CI build breaks due to missing installation of DHT20 dependency (#45)

Author: aentinger

.github/workflows/compile-examples.yml

@@ -61,6 +61,7 @@ jobs:
             - name: Grove-3-Axis-Digital-Accelerometer-2g-to-16g-LIS3DHTR
             - name: Grove - Barometer Sensor BMP280
             - name: U8g2
+            - name: DHT20
           sketch-paths: |
             - examples
           enable-deltas-report: true