Update postgres version for linux in test workflow

Author: Diviloper

.github/workflows/test.yml

@@ -38,7 +38,7 @@ jobs:
         uses: awalsh128/cache-apt-pkgs-action@latest
         if: runner.os == 'Linux'
         with:
-          packages: build-essential cmake postgresql-server-dev-14 libproj-dev libjson-c-dev libgsl-dev libgeos-dev
+          packages: build-essential cmake postgresql-server-dev-16 libproj-dev libjson-c-dev libgsl-dev libgeos-dev
           version: 1.0
 
       - name: Update brew