Make the next release of Rush a minor bump.

common/config/rush/version-policies.json

@@ -103,7 +103,7 @@
     "policyName": "rush",
     "definitionName": "lockStepVersion",
     "version": "5.131.5",
-    "nextBump": "patch",
+    "nextBump": "minor",
     "mainProject": "@microsoft/rush"
   }
 ]