chore: fix pnpm installation for bumper

Author: aminya

.github/workflows/bump_deps.yml

@@ -13,7 +13,7 @@ jobs:
         with:
           node-version: "12"
       - name: Setup PNPM
-        uses: pnpm/[email protected].2
+        uses: pnpm/[email protected].1
         with:
           version: latest
 
@@ -45,7 +45,7 @@ jobs:
         with:
           node-version: "12"
       - name: Setup PNPM
-        uses: pnpm/[email protected].2
+        uses: pnpm/[email protected].1
         with:
           version: latest