Release Brother QL Web v1.2.0 · DL6ER/labelburg

Highlights

Network printers report their model, the loaded labels and errors over SNMP, like to Brother's apps, with the same detail as over USB: no labels, labels that do not fit the job, open cover, labels not fed. Printers without SNMP still report over IPP.
Printing: Fast, Quality or 600 dpi. Fast is quicker and a little less sharp, e.g. a 29 x 90 mm label on a QL-810W takes 1.8 s instead of 3.0 s. Quality stays the default, the API takes fast_printing=1. The QL-1100 series no longer offers 600 dpi, it cannot print it.
Several printers of different models with PRINTERS, each with its own settings in the browser.
SERVER_PORT for python3 run.py, and PROXY_COUNT to run behind a reverse proxy, also below a path, see Reverse proxy.
Saved labels show only those of the selected label size, the switch "All sizes" shows all.
A printer that stops answering status requests, like the QL-560, gets a reset and keeps reporting its status.

Thanks to @randybb for #142 to #146.

Let Dependabot update the GitHub Actions, update them once by @DL6ER in #141
Use American spelling throughout by @DL6ER in #151
Turn off 600 dpi printing for the QL-1100 series by @DL6ER in #152
Configure several printers with PRINTERS, each with its own settings by @randybb in #146
Improve network printer support using (SNMP) by @DL6ER in #153
Add fast print mode by @DL6ER in #154
Take the port from the environment variable SERVER_PORT by @randybb in #142
Serve the label designer below a path behind a reverse proxy by @randybb in #143
Invalidate and initialize a printer that does not answer its status request by @randybb in #144
Show the saved labels of the selected label size, all with a switch by @randybb in #145

Full Changelog: v1.1.0...v1.2.0