tsk-8: Workflow tweaks

Reviewed-on: phoenix/textsender-models#7
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

.gitea/workflows/workflow.yaml

@@ -11,13 +11,13 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v6
         with:
           go-version: '1.25.4'
       - name: Configure Git for SSH
         run: |
-          git config --global url."git@git.kundeng.us:".insteadOf "https://git.kundeng.us/"
-          go env -w GOPRIVATE=git.kundeng.us/phoenix/*
+          git config --global url."git@${{ secrets.GIT_HOST_ROOT }}:".insteadOf "https://${{ secrets.GIT_HOST_ROOT }}/"
+          go env -w GOPRIVATE=${{ secrets.GIT_HOST_ROOT }}/phoenix/*
 
       - name: Download dependencies
         run: |