Update symfony/http-foundation requirements#3

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boboudreau wants to merge 1 commit intoperidot-php:masterfrom varsitynewsnetwork:update-symfony-and-php-requirements

+5-9

Commits on Oct 30, 2019

Allow HttpFoundation 2.x, 3.x, or 4.x. Update Travis to remove EOL versions of PHP
boboudreau
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