chore(deps): update pnpm to v7.20.0 (#608)

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

Author: renovate[bot]

package.json

@@ -65,5 +65,5 @@
     "turndown": "7.1.1",
     "typescript": "4.8.4"
   },
-  "packageManager": "pnpm@7.18.2"
+  "packageManager": "pnpm@7.20.0"
 }