fix(ci): use token-only URL format for fine-grained PAT auth

Fine-grained PATs don't support x-access-token username.
Use TOKEN@github.com format instead.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jt55401

.github/workflows/ci.yml

@@ -27,9 +27,11 @@ jobs:
           node-version: "22"
 
       - name: Configure private dep access
+        env:
+          TOKEN: ${{ secrets.HTMLTRUST_PKG_TOKEN }}
         run: |
-          git config --global url."https://x-access-token:${{ secrets.HTMLTRUST_PKG_TOKEN }}@github.com/".insteadOf "https://github.com/"
-          git config --global url."https://x-access-token:${{ secrets.HTMLTRUST_PKG_TOKEN }}@github.com/".insteadOf "ssh://git@github.com/"
+          git config --global url."https://${TOKEN}@github.com/".insteadOf "https://github.com/"
+          git config --global url."https://${TOKEN}@github.com/".insteadOf "ssh://git@github.com/"
 
       - name: Install dependencies
         run: npm ci