Update Deno version in GitHub Actions workflow to v2.x

Author: etienne-dldc

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1
         with:
-          deno-version: v1.x # Run with latest stable Deno.
+          deno-version: v2.x # Run with latest stable Deno.
 
       - run: deno fmt --check
       - run: deno lint