Update pnpm/action-setup action to v4.2.0 (#123)

Co-authored-by: curioswitch[bot] <187465413+curioswitch[bot]@users.noreply.github.com>

Author: curioswitch[bot]

.github/workflows/export-renovate.yaml

@@ -38,7 +38,7 @@ jobs:
         with:
           node-version: 22
 
-      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+      - uses: pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061 # v4.2.0
         with:
           version: 10