chore: [release-3.1.x] fix(ci): fixed release-please manifest (#13811)

Co-authored-by: Vladyslav Diachenko <[email protected]>

Author: grafanabot

.release-please-manifest.json

@@ -1,4 +1,4 @@
 {
-  ".": "3.0.0",
+  ".": "3.1.0",
   "operator": "0.6.1"
 }