meta: update pnpm from 11.25.0 to 12.8.1 (#9181)

meta: update pnpm from 11.25.0 to

Co-authored-by: Create or Update Pull Request Action <create-or-update-pull-request@users.noreply.github.com>
Co-authored-by: Claudio Wunder <cwunder@gnome.org>

Author: 3 people

package.json

@@ -57,7 +57,7 @@
     "typescript": "catalog:",
     "typescript-eslint": "~8.68.0"
   },
-  "packageManager": "pnpm@11.25.0",
+  "packageManager": "pnpm@12.8.1",
   "devEngines": {
     "runtime": {
       "name": "node",
@@ -66,7 +66,7 @@
     },
     "packageManager": {
       "name": "pnpm",
-      "version": "11.25.0",
+      "version": "12.8.1",
       "onFail": "error"
     }
   }