docs: Update release documentation

Author: dlipovetsky

docs/content/contributing/releasing.md

@@ -45,9 +45,11 @@ for e.g. local development and e2e tests:
 1. Add the new release to the e2e configuration `test/e2e/data/shared/v1beta1-caren/metadata.yaml` release series.
 1. Add the next release to the e2e configuration `test/e2e/data/shared/v1beta1-caren/metadata.yaml` (e.g. if release
    `v0.6.0` then add release series for `v0.7`).
-1. Update the `caren` provider configuration in `test/e2e/config/caren.yaml` with the new release (replacing the last
-   minor release with the new minor release version) and the next minor release configuration (replacing the `v0.x.99`
-   configuration).
+1. Update the `caren` provider configuration in `test/e2e/config/caren.yaml`:
+   - The first reference should be the most recent successful patch release of the previous minor version. For example,
+     if you releasing v0.22, reference the most recent successful patch release of v0.21.
+   - The second reference should be the 99th patch version of the minor version being released. For example, if you
+     are releasing v0.22, the reference should be v0.22.99.
 1. Commit the changed files:
 
    ```shell