This is bumping the python versions bundled inside our binaries.
For macOS and AppImage, from 3.9.10 to 3.9.11.
For Android, from 3.8.12 to 3.8.13.
Windows is left untouched as I am having issues with the wine build when using 3.9.11.
(see https://github.com/spesmilo/electrum/pull/7721#issuecomment-1071901116 )