Add support for PNPM v9 (#76)

README.md

@@ -68,10 +68,9 @@ integrated, check out [mono-ts](https://github.com/0x80/mono-ts)
 
 Run `pnpm install isolate-package --dev` or the equivalent for `npm` or `yarn`.
 
-I recommend using `pnpm` for
-[a number of reasons](https://pnpm.io/feature-comparison). In my experience it
-is the best package manager, especially for monorepo setups, but any other
-package manager should work.
+It is recommended to use `pnpm` over `npm` or `yarn`. Apart from being fast and
+efficient, PNPM has better support for monorepos, and the the lockfile isolation
+code is solid and works in parallel for multiple packages, [unlike NPM](#npm)
 
 ## Usage
 

package.json

@@ -43,14 +43,16 @@
   },
   "dependencies": {
     "@npmcli/arborist": "^7.4.0",
-    "@pnpm/lockfile-file": "^8.1.8",
     "@pnpm/logger": "^5.0.0",
-    "@pnpm/prune-lockfile": "^5.0.10",
     "@pnpm/types": "^9.4.2",
     "chalk": "^5.3.0",
     "fs-extra": "^11.2.0",
     "glob": "^10.3.12",
     "outdent": "^0.8.0",
+    "pnpm_lockfile_file_v8": "npm:@pnpm/lockfile-file@8",
+    "pnpm_lockfile_file_v9": "npm:@pnpm/lockfile-file@9",
+    "pnpm_prune_lockfile_v8": "npm:@pnpm/prune-lockfile@5",
+    "pnpm_prune_lockfile_v9": "npm:@pnpm/prune-lockfile@6",
     "remeda": "^1.56.0",
     "rename-overwrite": "^5.0.0",
     "source-map-support": "^0.5.21",