chore(deps): update dependency deno to v2.6.0

Author: renovate[bot]

.github/workflows/default.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: denoland/setup-deno@v2
         with:
-          deno-version: 2.5.6 # Run with latest stable Deno.
+          deno-version: 2.6.0 # Run with latest stable Deno.
       - run: deno fmt --check
   spelling:
     name: Spell Check with Typos