fix(ci): use ICP_CLI_GITHUB_TOKEN in frontend workflow to avoid icp rate limits

npm run test calls icp network start + icp deploy; icp-cli reads
ICP_CLI_GITHUB_TOKEN (not GITHUB_TOKEN) when fetching the network launcher.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: marc0olo

.github/workflows/frontend.yml

@@ -31,7 +31,7 @@ jobs:
         run: bash .github/workflows/provision-frontend-linux.sh
       - name: Frontend Tests and Lint
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ICP_CLI_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           set -eExuo pipefail
           npm install
@@ -53,7 +53,7 @@ jobs:
           bash .github/workflows/provision-frontend-darwin.sh
       - name: Frontend Tests and Lint
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ICP_CLI_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           set -eExuo pipefail
           npm install