Refactor Actions workflow to remove debug settings and fixing api url problems

.gitea/workflows/update.yaml

@@ -16,14 +16,13 @@ permissions:
 jobs:
   update:
     runs-on: ubuntu-24.04
-    env:
-      DEBUG: "@actions/http-client,request"
-      HTTPS_PROXY: http://172.31.0.1:8080
-      HTTP_PROXY: http://172.31.0.1:8080
     steps:
       - name: Get latest homebrewery release
         id: latest_release
         uses: easyware-io/get-latest-release@v1
+        env:
+          GITHUB_API_URL: https://api.github.com
+          GITHUB_SERVER_URL: https://github.com
         with:
           token: ${{ secrets.GH_TOKEN }}
           repo: homebrewery