ci: workaround corepack issue with actions (#796)

Author: alexzhang1030

.github/workflows/autofix.yml

@@ -21,7 +21,9 @@ jobs:
           node-version: lts/*
 
       - name: Install pnpm
-        run: corepack enable pnpm
+        # https://github.com/nitrojs/nitro/pull/3060
+        # https://github.com/nodejs/corepack/pull/614
+        run: npm i -g --force corepack && corepack enable pnpm
 
       - name: Setup
         run: npm i -g @antfu/ni

.github/workflows/ci.yml

@@ -21,7 +21,9 @@ jobs:
           node-version: lts/*
 
       - name: Install pnpm
-        uses: corepack enable pnpm
+        # https://github.com/nitrojs/nitro/pull/3060
+        # https://github.com/nodejs/corepack/pull/614
+        run: npm i -g --force corepack && corepack enable pnpm
 
       - name: Setup ni
         run: npm i -g @antfu/ni

.github/workflows/pkg.pr.new.yml

@@ -18,7 +18,9 @@ jobs:
         with:
           fetch-depth: 0
 
-      - run: corepack enable
+      # https://github.com/nitrojs/nitro/pull/3060
+      # https://github.com/nodejs/corepack/pull/614
+      - run: npm i -g --force corepack && corepack enable pnpm
 
       - name: Set node
         uses: actions/setup-node@v4

packages/devtools-api/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@vue/devtools-api",
   "type": "module",
-  "sideEffects": false,
   "version": "7.7.1",
   "author": "webfansplz",
   "license": "MIT",
@@ -10,6 +9,7 @@
     "type": "git",
     "url": "git+https://github.com/vuejs/devtools.git"
   },
+  "sideEffects": false,
   "exports": {
     ".": {
       "import": "./dist/index.js",