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

Author: renovate[bot]

.github/workflows/codspeed.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Install pnpm
-        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
+        uses: pnpm/action-setup@08c4be7e2e672a47d11bd04269e27e5f3e8529cb # v6
 
       - name: Set up Node.js
         uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6