Add Flexera Software Vulnerability Research (#6115)

* Update Flexera

* update

* Update flexera.com.json

* Update Flexera

* update

* Update flexera.com.json

* update

* Update flexera.com.json

* Create app.flexera.com.svg

* update

* Delete flexera.com.svg

* Create flexera.com.svg

* Update flexera.com.svg

* Add img tag

* Delete app.flexera.com.svg

* Update entries/a/app.flexera.com.json

Co-authored-by: Carlgo11 <Carlgo11@users.noreply.github.com>

Co-authored-by: Carlgo11 <Carlgo11@users.noreply.github.com>