Bump tzlocal from 2.1 to 3.0 (#2294)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Otto winter <otto@otto-winter.com>

requirements.txt

@@ -3,7 +3,7 @@ PyYAML==5.4.1
 paho-mqtt==1.5.1
 colorama==0.4.4
 tornado==6.1
-tzlocal==2.1
+tzlocal==3.0
 pytz==2021.1
 pyserial==3.5
 platformio==5.2.0