fix: pnpm version in workflows

Author: psteinroe

.github/workflows/release-next.yml

@@ -16,9 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: pnpm/action-setup@v3.0.0
-        with:
-          version: 8.x.x
+      - uses: pnpm/action-setup@v4
 
       - name: Set up Node
         uses: actions/setup-node@v4

.github/workflows/release.yml

@@ -16,9 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: pnpm/action-setup@v3.0.0
-        with:
-          version: 8.x.x
+      - uses: pnpm/action-setup@v4
 
       - name: Set up Node
         uses: actions/setup-node@v4