Add keywords to composer.json

[tvbeek]

Keywords to describe pdepend
Dev to let composer know the package is mostly a dev dependency, see: composer/composer#10960

Type: feature
Issue: -
Breaking change: no

With adding dev as keyword composer will suggest it as dev package if someone install it with composer require without --dev.

I found out it didn't had any keywords so I added some, maybe there are other keywords that make sense to add.

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2627cab) 82.09% compared to head (11916a1) 82.09%.

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Additional details and impacted files

@@            Coverage Diff            @@
##             master     #657   +/-   ##
=========================================
  Coverage     82.09%   82.09%           
  Complexity     3440     3440           
=========================================
  Files           154      154           
  Lines          9466     9466           
=========================================
  Hits           7771     7771           
  Misses         1695     1695           

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[tvbeek]

@AJenbo The phpstan job failed on code I didn't changed. Does it mean we need to pin the PHPStan version or is there another reason?

[AJenbo]

@AJenbo The phpstan job failed on code I didn't changed. Does it mean we need to pin the PHPStan version or is there another reason?

Yeah it's a down side with how we have things setup. PHPStan requires PHP 7.2 so we have it in the composer.json/lock file since it needs to allow for versions going all the way back to PHP 5.3. So instead we require it during CI (running on PHP 7.4).

Right now it semi pinned because it will pull the last version that was installed from cache in most cases.

I guess we could specify the given version in the composer command that installs it.

[AJenbo]

Here is a fix for the detected issue: #658

You should be able to pin the PHPStan version by changing this from a range to an explicit version:
https://github.com/pdepend/pdepend/blob/master/.github/workflows/phpstan.yml#L47