fix: install pg 18 for shadow apply workflow

Author: kings177

.github/workflows/shadow-apply-check-reusable.yml

@@ -45,6 +45,14 @@ jobs:
           esac
           echo "db_url=$DB_URL" >> $GITHUB_OUTPUT
 
+      - name: Install PostgreSQL 18 client
+        run: |
+          sudo apt-get install -y --no-install-recommends curl ca-certificates gnupg
+          curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo gpg --dearmor -o /usr/share/keyrings/postgresql.gpg
+          echo "deb [signed-by=/usr/share/keyrings/postgresql.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" | sudo tee /etc/apt/sources.list.d/pgdg.list
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends postgresql-client-18
+
       - name: Fetch URL and test connection
         id: shadow-db
         run: |
@@ -61,10 +69,10 @@ jobs:
           echo "PostgreSQL is ready!"
 
       - name: Dump target database
-        run: pg_dump -Fc -v -b "${{ steps.resolve-db-url.outputs.db_url }}" -f database.dump
+        run: /usr/lib/postgresql/18/bin/pg_dump -Fc -v -b "${{ steps.resolve-db-url.outputs.db_url }}" -f database.dump
 
       - name: Load dump into shadow database
-        run: pg_restore -v --no-owner --no-acl --role=postgres -d "${{ steps.shadow-db.outputs.db_url }}" database.dump
+        run: /usr/lib/postgresql/18/bin/pg_restore -v --no-owner --no-acl --role=postgres -d "${{ steps.shadow-db.outputs.db_url }}" database.dump
 
       - uses: ariga/setup-atlas@v0