chore: use default packageManager from package.json, without explicit version (#118)

Author: falsepopsky

.github/workflows/main.yml

@@ -7,9 +7,6 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
-env:
-  PNPM_VERSION: 9.1.1
-
 jobs:
   build:
     name: Build, lint, and test on Node ${{ matrix.node }}
@@ -23,9 +20,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup pnpm
-        uses: pnpm/[email protected]
-        with:
-          version: ${{ env.PNPM_VERSION }}
+        uses: pnpm/action-setup@v4
 
       - name: Use Node ${{ matrix.node }}
         uses: actions/setup-node@v4