Remove Squid service from test workflow

Eliminates the Squid service setup from the GitHub Actions test workflow, simplifying the build job configuration.

Author: JR-1991

.github/workflows/test.yml

@@ -6,16 +6,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    services:
-      squid:
-        image: ubuntu/squid:latest
-        ports:
-          - 3128:3128
-
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     env:
       PORT: 8080