Change the text in the professional support in the README.md

Hello,

to be more in line with the website we should change the text for the professional support

Cheers

assigned to @bmortier

cloned from fd#6184 (closed)

changed milestone to %FusionDirectory 1.4

added PJ1802-0188 label

marked this issue as related to fd#6184 (closed)

added 15m of time spent

mentioned in commit d09365aa

mentioned in commit 4fae7b30