chore(deps): update pnpm/action-setup action to v6 (#305)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
                   node-version: 'lts/*'
 
             - name: Set up pnpm
-              uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
+              uses: pnpm/action-setup@903f9c1a6ebcba6cf41d87230be49611ac97822e # v6.0.3
               with:
                   version: 'latest'