ci: upgrade pnpm/action-setup to v4

Refs: pnpm/action-setup#135

Author: katywings

.github/workflows/autofix.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: pnpm/action-setup@v2.2.2
+      - uses: pnpm/action-setup@v4
         with:
           version: 8
 

.github/workflows/test.yml

@@ -50,7 +50,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: pnpm/action-setup@v2.2.2
+      - uses: pnpm/action-setup@v4
         with:
           version: 8
 

.github/workflows/version.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: pnpm/action-setup@v2.2.2
+      - uses: pnpm/action-setup@v4
         with:
           version: 8