update RELEASE.md

Author: mikhail-klimko

RELEASE.md

@@ -9,7 +9,7 @@ For a **MAJOR** or **MINOR** release:
 ```shell
 git checkout -b release-x.y main
 ```
-> Just creating a release branch without any commits will NOT create release branches for dependent components (cf-api, cf-ui, argo-platform, etc)! Newly created `release-x.y` branch must be updated!
+> **Note!** Just creating a release branch without any commits will NOT create release branches for dependent components (cf-api, cf-ui, argo-platform, etc)! Newly created `release-x.y` branch must be updated!
 - Open a PR against `release-x.y` branch
 ```shell
 git checkout -b update-release-x.y release-x.y
@@ -19,10 +19,22 @@ git checkout -b update-release-x.y release-x.y
 - Run `./scripts/helm-docs.sh` to update `README.md` files
 - Commit and push changes, trigger CI with `/test` comment, make sure all checks pass, then merge the PR
 - When the PR is merged, the release draft will be created automatically and `codefresh/x.y.z: prepare chart content for release` PR will be opened with the updated chart `.version` and `artifacthub.io/changes` annotation.
+> **Note!** If more changes are required before the release, repeat the steps above by creating a new PR against `release-x.y` branch. Release will not be published until `codefresh/x.y.z: prepare chart content for release` PR is merged!
 - Review `codefresh/x.y.z: prepare chart content for release` PR. Update `artifacthub.io/changes` annotation if needed.
 - Merge the PR to create a new release. Release will be published automatically.
 
 For a **PATCH** release:
 
+- Create a new branch from the corresponding `release-x.y` branch, where `x.y` is the major and minor version numbers of the release.
+```shell
+git checkout -b patch/something release-x.y
+```
+- Make necessary changes to the chart like updating versions of **required** dependencies in `Chart.yaml`, updating `values.yaml`, `templates/**` files if required and etc.
+> **Note!** If these changes are required for the next major or minor release, make sure to cherry-pick them to the `main` branch as well with a separate PR.
+- Run `./scripts/helm-docs.sh` to update `README.md` files
+- Commit and push changes, open a PR against `release-x.y` branch, trigger CI with `/test` comment, make sure all checks pass, then merge the PR
+- When the PR is merged, the release draft will be created automatically with `codefresh/x.y.z: prepare chart content for release` PR
+- Review `codefresh/x.y.z: prepare chart content for release` PR. Update `artifacthub.io/changes` annotation if needed.
+- Merge the PR to create a new release. Release will be published automatically.
 
 ## Versioning in CI and Promote pipelines