Merge pull request #4414 from github/github-action/bump-cli

Bump CLI Version to v2.25.6 for integration tests

Author: henrymercer

extensions/ql-vscode/supported_cli_versions.json

@@ -1,5 +1,5 @@
 [
-  "v2.25.5",
+  "v2.25.6",
   "v2.24.3",
   "v2.23.9",
   "v2.22.4",