Merge pull request #660 from wp-cli/release-2-11-0

Lock framework version to 2.11.0

Author: schlessera

composer.json

@@ -34,7 +34,7 @@
     "wp-cli/shell-command": "^2",
     "wp-cli/super-admin-command": "^2",
     "wp-cli/widget-command": "^2",
-    "wp-cli/wp-cli": "dev-main"
+    "wp-cli/wp-cli": "^2.11.0"
   },
   "require-dev": {
     "roave/security-advisories": "dev-latest",