Rely on AjgarlagPsrHttpMessageBundle for bridging HttpFoundation and PSR-7

[ajgarlag]

I've released a small bundle (ajgarlag/psr-http-message-bundle) to provide the PSR-7 Support feature removed from sensio/framework-extra-bundle:>=6.0.

This PR requires ajgarlag/psr-http-message-bundle and remove sensio/framework-extra-bundle dependency.

Any feedback is welcome.

Fix #261

[codecov-io]

Codecov Report

Merging #262 (9ecf262) into v3.x (37571a1) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               v3.x     #262   +/-   ##
=========================================
  Coverage     92.50%   92.50%           
  Complexity      442      442           
=========================================
  Files            66       66           
  Lines          1600     1600           
=========================================
  Hits           1480     1480           
  Misses          120      120           

Impacted Files	Coverage Δ	Complexity Δ
DependencyInjection/TrikoderOAuth2Extension.php	92.00% <ø> (ø)	27.00 <0.00> (ø)

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[X-Coder264]

Thank you @ajgarlag .