ci: Upgrade PostgreSQL client to version 17 in backup workflow.

Author: akshay0611

.github/workflows/backup.yml

@@ -18,10 +18,14 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Install PostgreSQL client tools
+      - name: Install PostgreSQL 17 client tools
         run: |
+          # Add PostgreSQL 17 repository
+          sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+          wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
           sudo apt-get update
-          sudo apt-get install -y postgresql-client
+          # Install PostgreSQL 17 client tools
+          sudo apt-get install -y postgresql-client-17
       
       - name: Verify tools installation
         run: |