cubicweb-rememberme #7651898 weak randomness in authentication cookie [validation pending]

using a 31bit integer is not good enough

priorityimportant
typebug
done in1.0.0
load2.000
load left0.000
closed by#59ff5595e040 Use a random uuid instead of randint as cookie value (closes #7651898)
patchUse a random uuid instead of randint as cookie value (closes #7651898) [applied]