Log Message:
zbar: Update to 0.23.90

Changes:
0.23.90
-------
  * Started using github actions for CI and binary releases
  * Fixed several issues with configure.ac, making it auto-detect
    most things, when possible
  * README.md now shows the absolute minimum requirement for
    building ZBar on Ubuntu
  * Fixed some build issues
  * Make it compatible with Python 3.9
  * Fixed some Python 3.9 and Qt5 warnings
  * Typo fixes
  * Several fixes at zbarcam
  * zbarimg: fix stderr output when symbols are found