chore(deps): update pnpm/action-setup action to v6

Author: renovate[bot]

.github/actions/setup/action.yaml

@@ -4,7 +4,7 @@ runs:
   using: 'composite'
   steps:
     - name: Install pnpm
-      uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
+      uses: pnpm/action-setup@08c4be7e2e672a47d11bd04269e27e5f3e8529cb # v6
       with:
         version: '10.33.0'
         run_install: false

.github/workflows/renovate-post-upgrade.yml

@@ -43,7 +43,7 @@ jobs:
 
       - name: Setup pnpm and Node.js
         if: steps.check.outputs.toolhive == 'true' || steps.check.outputs.heyapi == 'true'
-        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
+        uses: pnpm/action-setup@08c4be7e2e672a47d11bd04269e27e5f3e8529cb # v6
         with:
           version: '10.33.0'