ci(cli): Update to Deno 2.x

Author: nellh

.github/workflows/deno.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v2
         with:
-          deno-version: v1.x
+          deno-version: v2.x
       - name: Collect coverage
         run: deno task coverage
         if: ${{ always() }}