[phpmd] Allow setting output format to ansi

[MarkVaughn]

Q	A
Branch	master for features and deprecations
Bug fix?	no
New feature?	yes
BC breaks?	no
Deprecations?	no
Documented?	yes

Since 2.8 phpmd has a new, subjectively nicer, report format that is ansi

ansi

text (current)

I did not set the default to ansi for this PR, as the renderer is not available in older versions of phpmd

[MarkVaughn]

the linked doc doesn't mention the reporter but I made a PR for that on phpmd phpmd/phpmd#779

[MarkVaughn]

I'm sorry for the back and forth, I'm not able to run the tests locally because seemingly no tests work on my environment (osx, php7.4.2) getting lots of deprecation errors when running tests e.g

12) GrumPHPTest\Uni\Task\PhpMdTest::it_passes_on_stuff with data set "exitCode0" (array(), Double\GrumPHP\Task\Context\RunContext\P9 Object (...), Closure Object (...))
Function ReflectionType::__toString() is deprecated

[veewee]

Thanks for the PR! It looks good!
Added a small remark to improve the task, nothing big.

You could run the tests without the deprecation warnings by changing your ini settings. We have to take a look at upgrading the testsuites to newer versions.

[veewee]

Thanks for your work!