ci: another try for mac1

Author: thomasjm

.github/workflows/sandwich.yml

@@ -140,6 +140,10 @@ jobs:
 
     - name: Build
       run: |
+        echo "Original PATH: $PATH"
+        export PATH="/opt/homebrew/opt/postgresql@18/bin:$PATH"
+        echo New PATH: $PATH"
+
         cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
         cabal build all