Fixed version for composer install
minor #4171 Fixed version for composer install (zomberg)

This PR was merged into the 2.3 branch.

Discussion
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Fixed version for composer install

Commits
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cecd6d7 Fixed version for composer install
Merge branch '2.3' into 2.4

* 2.3:
  Fixed version for composer install
Merge branch '2.4' into 2.5

* 2.4:
  Fixed version for composer install

Conflicts:
	quick_tour/the_big_picture.rst