Version Bump v15.1.2

bookie/package.json

@@ -1,6 +1,6 @@
 {
   "name": "bookie",
-  "version": "15.1.1",
+  "version": "15.1.2",
   "scripts": {
     "ng": "ng",
     "start": "ng serve",

bookie/src/app/app.environment.ts

@@ -1,7 +1,7 @@
 export const environment = {
   production: true,
   ACCESS_TOKEN_REFRESH_MINUTES: 10, // refresh token 10 minutes before expiry
-  version: '15.1.1',
+  version: '15.1.2',
 };
 
 export const dateFormat = {