Set host to localhost in pipeline

Author: TIL-EBP

.github/workflows/code-quality.yml

@@ -12,6 +12,7 @@ env:
   RUST_VERSION: "1.73"
   SQLX_OFFLINE: true
   SQLX_VERSION: 0.7.3
+  PGHOST: localhost
 
 jobs:
   #  add_review_links:
@@ -297,7 +298,6 @@ jobs:
       - name: Setup DB
         run: |
           cd api
-          export PGHOST=localhost
           sqlx database create
           sqlx migrate run
       - name: Start API