Update pnpm to v7.11.0 (#55)

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

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@ehyland/pmm-monorepo",
   "description": "my take on corepack",
-  "packageManager": "pnpm@7.5.1",
+  "packageManager": "pnpm@7.11.0",
   "main": "index.js",
   "scripts": {
     "build": "webpack",