Bump adafruit-circuitpython-dht from 3.5.6 to 3.5.8

Bumps [adafruit-circuitpython-dht](https://github.com/adafruit/Adafruit_CircuitPython_DHT) from 3.5.6 to 3.5.8.
- [Release notes](https://github.com/adafruit/Adafruit_CircuitPython_DHT/releases)
- [Commits](https://github.com/adafruit/Adafruit_CircuitPython_DHT/compare/3.5.6...3.5.8)

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

requirements.txt

@@ -1,3 +1,3 @@
-adafruit-circuitpython-dht==3.5.6
+adafruit-circuitpython-dht==3.5.8
 paho-mqtt==1.5.1
 rpi.gpio==0.7.0