[GNU ELPA] Calibre version 1.4.0

[ELPA update]

Version 1.4.0 of package Calibre has just been released in GNU ELPA.
You can now find it in M-x list-packages RET.

Calibre describes itself as:

  ==========================================
  Interact with Calibre libraries from Emacs
  ==========================================

More at https://elpa.gnu.org/packages/calibre.html

## Summary:

  Copyright (C) 2023  Free Software Foundation, Inc.
  See the end of the file for license conditions.

  Calibre.el is a package for interacting with Calibre
  (https://calibre-ebook.com/) libraries from Emacs. It's primary features
  include:
  - Easily switch between multiple libraries
  - List the contents of your library
  - Filter the contents of your library based on various metadata
  - Create Virtual Libraries by giving names to sets of filters
  - Add and remove books from your library
  - Modify the metadata of your books
  - Read your books in Emacs

## Recent NEWS:

[Not available 🙁]