remove quotes on import

[caplod]

to comply with https://www.rfc-editor.org/rfc/rfc6350#section-5

see also #2866

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.31 🎉

Comparison is base (3659d86) 1.91% compared to head (c04307a) 2.23%.

Additional details and impacted files

@@            Coverage Diff             @@
##              main   #3243      +/-   ##
==========================================
+ Coverage     1.91%   2.23%   +0.31%     
==========================================
  Files          112      87      -25     
  Lines         5801    4977     -824     
  Branches      1345    1345              
==========================================
  Hits           111     111              
+ Misses        5576    4752     -824     
  Partials       114     114              

Impacted Files	Coverage Δ
src/store/addressbooks.js	2.89% <0.00%> (ø)
composer/autoload.php
lib/Listener/LoadContactsFilesActions.php
.php-cs-fixer.dist.php
lib/Service/Social/XingProvider.php
lib/Service/Social/DiasporaProvider.php
lib/Service/Social/CompositeSocialProvider.php
lib/Service/Social/TumblrProvider.php
lib/AppInfo/Application.php
lib/Service/Social/GravatarProvider.php
... and 16 more

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[st3iny]

Tested and works.

[st3iny]

Rebase is not necessary as frontend tests are passing and still up to date.

[welcome]

Thanks for your first pull request and welcome to the community! Feel free to keep them coming! If you are looking for issues to tackle then have a look at this selection: https://github.com/nextcloud/contacts/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22

[st3iny]

/backport to stable5.2