Fix pgvector installation

Author: pamelafox

.github/workflows/evaluate.yaml

@@ -30,19 +30,17 @@ jobs:
           echo "Comment contains #evaluate hashtag"
 
       - uses: actions/checkout@v4
-      - name: Install PostgreSQL development libraries
+
+      - name: Install pgvector
         run: |
-          sudo apt update
-          sudo apt install postgresql-server-dev-14
-      - name: Setup postgres
-        uses: ikalnytskyi/action-setup-postgres@v6
-        with:
-          username: admin
-          password: postgres
-          database: postgres
+          sudo /usr/share/postgresql-common/pgdg/apt.postgresql.org.sh -y
+          sudo apt-get install postgresql-14-pgvector
+
+      - name: Start postgres
+        run: sudo systemctl start postgresql
 
-      - name: Install pgvector on MacOS/Linux using install-pgvector.sh
-        run: .github/workflows/install-pgvector.sh
+      - name: Create vector extension
+      - run: sudo -u postgres psql -c 'CREATE EXTENSION vector'
 
       - name: Install python
         uses: actions/setup-python@v5