upgrade sqlc action to v5 (#1200)

Author: bgentry

.github/workflows/ci.yaml

@@ -339,7 +339,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup sqlc
-        uses: sqlc-dev/setup-sqlc@v4
+        uses: sqlc-dev/setup-sqlc@v5
         with:
           sqlc-version: "1.30.0"