### Search before asking - [X] I had searched in the [issues](https://github.com/apache/shiro/issues?q=is%3Aissue) and found no similar issues. ### Enhancement Request Move main branch to 3.x ### Describe the solution you'd like - [ ] Create the 2.x maintenance branch - [ ] Change the all versions to 3-SNAPSHOT via maven versions plugin - [ ] Create dependabot config for 2.x ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR!