Add missing step in patch release process

Author: knopers8

docs/development.md

@@ -24,6 +24,7 @@ Bugs go to [JIRA](https://its.cern.ch/jira/projects/OCTRL/issues).
 
   * Checkout the tag which the patch release should be based on, e.g. `git checkout v1.34.0`
   * Create a branch called `branch_<planned_tag>`, e.g. `git checkout -b branch_v1.34.1`.
+  * Cherry-pick desired commits
 
 3. Bump `VERSION` file, commit, push (or pull request).
 4. Go to a [new GitHub release draft](https://github.com/AliceO2Group/Control/releases/new). Use "Generate release notes" to create a list of changes. Write a short summary at the top.