Merge remote-tracking branch 'origin/preprod'

# Conflicts:
#	composer.json
#	composer.lock
#	package.json
#	sources/Afup/Association/Cotisations.php
#	sources/Afup/Association/Personnes_Morales.php
#	sources/AppBundle/Association/Model/CompanyMember.php
#	sources/AppBundle/Association/Model/User.php
#	sources/AppBundle/Controller/Admin/HomeAction.php
#	sources/AppBundle/Event/Model/Speaker.php
#	sources/AppBundle/Event/Model/Talk.php
#	sources/AppBundle/Twig/AssetsExtension.php
#	yarn.lock

sources/AppBundle/Offices/OfficeFinder.php

@@ -148,10 +148,10 @@ protected function locateNearestLocalOffice(Coordinates $coordinates): array
     private function haversineGreatCircleDistance(float $latitudeFrom, float $longitudeFrom, float $latitudeTo, float $longitudeTo, int $earthRadius = 6371000): float
     {
         // convert from degrees to radians
-        $latFrom = deg2rad($latitudeFrom);
-        $lonFrom = deg2rad($longitudeFrom);
-        $latTo = deg2rad($latitudeTo);
-        $lonTo = deg2rad($longitudeTo);
+        $latFrom = deg2rad((float) $latitudeFrom);
+        $lonFrom = deg2rad((float) $longitudeFrom);
+        $latTo = deg2rad((float) $latitudeTo);
+        $lonTo = deg2rad((float) $longitudeTo);
 
         $latDelta = $latTo - $latFrom;
         $lonDelta = $lonTo - $lonFrom;