Restructure test-all task

- Add test:node task for running pnpm tests
- Convert test-all to use dependencies array format
- Include Node.js tests in the complete test suite

[ci skip]

Author: dahlia

deno.json

@@ -52,7 +52,10 @@
   "tasks": {
     "check": "deno check src/ && deno lint && deno fmt --check && deno publish --dry-run --allow-dirty && deno run scripts/check_versions.ts",
     "test": "deno test --allow-env=NODE_V8_COVERAGE,JEST_WORKER_ID --allow-net=hollo.social --parallel",
-    "test-all": "deno task check && deno task test",
+    "test:node": "pnpm install && pnpm test",
+    "test-all": {
+      "dependencies": ["check", "test", "test:node"]
+    },
     "coverage": "deno task test --coverage --clean && deno coverage --html",
     "hooks:install": "deno run --allow-read=deno.json,.git/hooks/ --allow-write=.git/hooks/ jsr:@hongminhee/deno-task-hooks",
     "hooks:pre-commit": "deno task check"