Merge branch 'master' of https://github.com/jens-maus/RaspberryMatic

* 'master' of https://github.com/jens-maus/RaspberryMatic: (26 commits)
  HA add-on snapshot bump [3.61.4.20211104-537bfc1]
  updated upstream kernel to latest 5.10.77 LTS.
  updated java-azul runtime engine to latest stable 8.58.0.13-ca-jdk8.0.312
  added some first basic support for the new RaspberryPi Zero 2 W model by using the rpi3 platform for it (since it is sharing the same CPU/SoC). However, as the latest stable RaspberryPi kernel+firmware does not yet support this new model we manually download the device tree binaries from the raspberrypi/firmware GitHub project in post-image.sh. Also adapted the S01InitHost accordingly so that the Zero 2 W is identified as "rpi3z2w".
  Bump actions/checkout from 2.3.5 to 2.4.0 (#1494)
  integrated fixes in 0007-WebUI-Enhanced-FirmwareUpdate WebUI patch which should fix the new auto-backup feature during the firmware update process using the WebUI.
  integrated some minor table header cell fixes where the blue SortSelected class was not correctly used throughout the whole WebUI. This fixes #1466.
  explicitly set display:contents for #prgcontent and #ic_linkpeerlist after calling translatePage() on them. Also added an additional css statement for both to prefer display:none for their j_translate class use. This fixes #1485.
  HA add-on snapshot bump [3.61.4.20211103-f236e4c]
  bumped OCCU to 3.61.4-1 and adapted all WebUI patches accordingly. Also adapted S62HMServer to execute the latest HMIPServer.jar using classpath and dedicated main class name.
  Added a new button in 0133-WebUI-Fix-InternalIDExposure WebUI patch to explicitly show/hide internal maintenance channels in the status and control device view rather than showing them per default.
  integrated a minor style fix to display the warn and work symbols in the status and control table center aligned.
  adapted 0144-WebUI-ControlForMaintenanceChannel WebUI patch to show details of the maintenance channel to not show the raw RSSI values but to substract 256 from it before using these values as dBm values (cf. https://forum.fhem.de/index.php?topic=106900.0). In addition, we show "n/a" if the RSSI value is lower than -200 because this is known to be not a real RSSI value but potentially an artifcat in the raw RSSI value.
  modified /bin/SetInterfaceClock execution times to be executed more near to DST switch boundaries but still only 4 times per days so that BidCos-RF devices are getting time updates still regulary but more imminent after a DST switch.
  HA add-on snapshot bump [3.59.6.20211102-4636da1]
  added new 0145-WebUI-NaturalSorting WebUI patch which implements natural sorting for the "Status and control" display tables. This closes #1491.
  improved startpage formatting for systemvariables in  0039-WebUI-Fix-Style-Glitches and 0057-WebUI-ImprovedDutyCycleDisplay (#1493)
  updated tailscale package to latest 1.16.2 release.
  added "dBm" unit for the RSSI values displayed in maintenance channels.
  HA add-on snapshot bump [3.59.6.20211101-88a6c61]
  ...