Update postgresql.yml

Author: richturner

.github/workflows/postgresql.yml

@@ -32,6 +32,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Delete huge unnecessary tools folder
+        run: rm -rf /opt/hostedtoolcache
       - name: Set tags
         run: |
           if [ -z "$TAG" ]; then