Apt update

Author: pamelafox

.github/workflows/app-tests.yaml

@@ -29,7 +29,9 @@ jobs:
           run: .github\workflows\install-pgvector.bat
         - name: Install PostgreSQL development libraries
           if: matrix.os == 'ubuntu-latest'
-          run: sudo apt install postgresql-server-dev-16
+          run: |
+            sudo apt update
+            sudo apt install postgresql-server-dev-16
         - name: Install pgvector on MacOS/Linux using install-pgvector.sh
           if: matrix.os != 'windows-latest'
           run: .github/workflows/install-pgvector.sh