[Bug 2044716] [NEW] Update from Ubuntu 23.04 to 23.10.01 removes Boot entry for Ubuntu

[bd]

Public bug reported:

Update from Ubuntu 23.04 to 23.10.01 removes boot entry for Ubuntu.
Windows 10 and 11 installations could be startet.

** Affects: thunderbird (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2044716

Title:
  Update from Ubuntu 23.04 to 23.10.01 removes Boot entry for Ubuntu

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