ci: use pnpm in github actions (#438)

Author: BobbieGoede

.github/workflows/build.yml

@@ -27,8 +27,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Enable corepack
-        run: corepack enable
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
 
       - name: Setup Node.js ${{ matrix.node }}
         uses: actions/setup-node@v4

.github/workflows/lint.yml

@@ -27,8 +27,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Enable corepack
-        run: corepack enable
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
 
       - name: Setup Node.js ${{ matrix.node }}
         uses: actions/setup-node@v4

.github/workflows/test.yml

@@ -27,8 +27,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Enable corepack
-        run: corepack enable
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
 
       - name: Setup Node.js ${{ matrix.node }}
         uses: actions/setup-node@v4