Upgrade Deno to 2.x

Author: dahlia

.github/workflows/main.yaml

@@ -27,7 +27,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: denoland/setup-deno@v1
       with:
-        deno-version: v1.x
+        deno-version: v2.x
     - uses: actions/setup-node@v4
       with:
         node-version: lts/*
@@ -55,7 +55,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: denoland/setup-deno@v1
       with:
-        deno-version: v1.x
+        deno-version: v2.x
     - uses: actions/setup-node@v4
       with:
         node-version: lts/*