Update CHANGELOG.md
Update CHANGELOG.md

for 1.25 release
Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos,RanjithKumar5550/RanMifos,Vishwa1311/incubator-fineract,Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos