minor #14405 Use updated dependencies (Nyholm)

This PR was merged into the 5.x branch.

Discussion
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Use updated dependencies

Currently I fail to build the docs in 5.x. They complain on php-attributes.

This PR make sure to use @derrabus PR fabpot/sphinx-php#49 released in 2.0.2.

This change was missing from #14230

Commits
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3c0372a Use updated dependencies

Author: OskarStark

_build/.requirements.txt

@@ -1,6 +1,6 @@
 docutils==0.13.1
 Pygments==2.2.0
 sphinx==1.8.5
-git+https://github.com/fabpot/sphinx-php.git@v2.0.0#egg_name=sphinx-php
+git+https://github.com/fabpot/sphinx-php.git@v2.0.2#egg_name=sphinx-php
 jsx-lexer===0.0.8
 sphinx_rtd_theme==0.5.0