Chore: Upgrade to Angular v18

Chore: Upgrade to Python 3.12
Chore: Upgrade to psycopg3

bookie/src/app/app.environment.ts

@@ -0,0 +1,17 @@
+export const environment = {
+  production: true,
+  ACCESS_TOKEN_REFRESH_MINUTES: 10, // refresh token 10 minutes before expiry
+  version: '11.7.0',
+};
+
+export const dateFormat = {
+  parse: {
+    dateInput: 'DD-MMM-YYYY',
+  },
+  display: {
+    dateInput: 'DD-MMM-YYYY',
+    monthYearLabel: 'MMM YYYY',
+    dateA11yLabel: 'DD-MMM-YYYY',
+    monthYearA11yLabel: 'MMM YYYY',
+  },
+};