chore: update package versions for backend and frontend to 1.1.9 and 1.3.9 respectively

- Bumped backend version from 1.1.8 to 1.1.9 in package.json and package-lock.json.
- Updated frontend version from 1.3.8 to 1.3.9 in package.json and package-lock.json.
- Modified greeting message in AppService to reflect the new backend version.

Author: asepindrak

backend/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "commitflow-api",
-  "version": "1.1.8",
+  "version": "1.1.9",
   "description": "Backend CommitFlow",
   "author": "asepindrak",
   "private": false,

backend/package.json

@@ -3,6 +3,6 @@ import { Injectable } from "@nestjs/common";
 @Injectable()
 export class AppService {
   getHello(): string {
-    return `CommitFlow API (1.1.8) is running!`;
+    return `CommitFlow API (1.1.9) is running!`;
   }
 }

backend/src/app.service.ts

@@ -4,7 +4,7 @@
   "author": "asepindrak",
   "private": false,
   "license": "MIT",
-  "version": "1.3.8",
+  "version": "1.3.9",
   "type": "module",
   "scripts": {
     "dev": "vite --host 0.0.0.0",